ventilationn.
/ˌvɛntᵻˈleɪʃn/, U.S. /ˌvɛn(t)əˈleɪʃən/ I. Senses relating to the movement or passage of air or oxygen.† 1. A motion of the air; a breeze. Also figurative. Obsolete.† 6. The winnowing of grain to remove chaff or other unwanted material. Obsolete. rare.
ΘΚΠ
the world > matter > gas > air > moving air > [noun] > a movement of air
spirita1382
ventilationc1485
c1485 ( G. Hay Bk. Gouernaunce of Princis (1993) xxxvii. 121 The ayr passis sa throu the warlde throu blastis of wyndis and othir maner of ventulaciouns.
1643 Sir T. Browne Religio Medici (authorized ed.) i. §32 Whosoever feels not the warme gale and gentle ventilation of this Spirit [of God] (though I feele his pulse) I dare not say he lives. View more context for this quotation
1665 Philos. Trans. (Royal Soc.) 1 52 'Tis affirmed that almost any Ventilation and stirring of the Air doth refrigerate.
1743 S. Hales Descr. Ventilators 24 A like Ventilation of warm dry Air from the adjoining Stove.
1752 S. Johnson Rambler No. 205. ⁋5 The mind that is to be moved by the gentle ventilations of gayety.
1858 H. Bushnell Serm. for New Life xxii. 424 At last, even the scent of it [sc. our depravity] will finally be changed. These holy ventilations of grace, it is our comfort to know that nothing can finally escape.
1866 Chambers's Jrnl. 24 Mar. 181/1 These natural ventilations serve also as barometers, for as long as the air is cold, the shepherds know the fine weather will last.
2.
a. The action of fanning or of blowing air on or through something or someone, esp. for the purposes of cooling or drying; the means or method by which this is accomplished. Now not always distinguishable from sense 5a.
ΘΚΠ
the world > matter > gas > air > moving air > [noun] > producing blast or current of air > action of fanning or blowing
ventilation1519
fanning1528
the world > food and drink > food > food manufacture and preparation > preparation of grain > [noun] > winnowing
winnowing?c1225
windinga1500
vanning1552
fanning1577
eventilation1658
ventilation1658
exaceration1676
dightinga1774
wimming1825
1519 W. Horman Vulgaria iv. f. 42 It is no good phisike: that whan a man is sore chafed with heate, for to cole hym with ventilacyon of clothes.
1658 E. Phillips New World Eng. Words Ventilation, a fanning, or gathering of winde; also a winnowing of Corn.
1743 S. Hales Descr. Ventilators 97 If it [sc. corn] were afterwards dried by the Ventilation of these Bellows.
1850 C. Tomlinson Rudim. Treat. Warming & Ventilation ii. i. 181 The next class of mechanical contrivances for ventilation, is that in which the aid of an attendant is required, either to maintain the ventilating machine in motion, or to superintend the mechanical power that does so.
1961 Trans. All.-Union Sci. Techn. Conf. Use Radioactive & Stable Isotopes (U.S. Atomic Energy Comm., Transl. Ser. 4492) 314 The smelting is accompanied by active ventilation.
2002 N. DeMille Up Country xvi. 228 I left the bathroom and dried off in the bedroom where there was some ventilation from the fan.
b. The action by bees of using the wings to fan fresh air into the nest; the replacement of stagnant air with fresh air inside a bees' nest through this action.
Π
1817 W. Kirby & W. Spence Introd. Entomol. II. xx. 194 When they are engaged in ventilation, the bees by means of their feet and claws fix themselves as firmly as possible to the place they stand upon.
1817 W. Kirby & W. Spence Introd. Entomol. II. xx. 199 Amongst the bees..ventilation goes on even in the depth of winter.
1987 M. L. Winston Biol. Honey Bee viii. 120 Ventilation generally begins at or before a nest reaches a temperature of 36°C.
2019 T. D. Seeley Lives Bees 235 Many observers have reported bees initiating strong ventilation of their nest when its internal temperature approaches the critical limit.
c. The action by a fish or other aquatic animal of directing a flow of oxygenated water through or over a nest, burrow, etc.
Π
1859 F. T. Buckland Familiar Hist. Brit. Fishes ii. 51 This fanning or ventilation was frequently repeated every day till the young were hatched.
1951 N. Tinbergen Stud. Instinct (1989) iii. 57 After a male [stickleback] has fertilized two or three clutches of eggs, its sex drive wanes and regular ventilation of the eggs begins.
2011 T. J. Pandian Sexuality in Fishes i. 26 In the common goby Pomatoschistus microps, males provide parental care, which consists primarily of nest defense and egg ventilation by fanning and turning the eggs with the fins.
3. The (natural) free movement of air.
ΘΚΠ
the world > matter > gas > air > moving air > [noun] > free movement of air
ventilation1605
perflation1658
1605 T. Tymme tr. J. Du Chesne Pract. Chymicall & Hermeticall Physicke ii. vii. 138 That renuing is to be attributed to the fire,..the outward ventilation [L. extrinseco ventilatore] or winding comming between as the instrument.
1690 T. Burnet Theory of Earth iii. 55 This present earth..is in most places capable of ventilation, pervious and passable to the winds.
1804 C. B. Brown tr. C. F. de Volney View Soil & Climate U.S.A. 271 The mercury ranges between 84 and 88 degrees in the shade, where there is ample ventilation.
1900 Derby Daily Tel. 12 Nov. 2/4 With the exception of the cold wind (the ventilation is always strong down there) a better afternoon could not have been wished for.
2008 Financial Times 6 Dec. 21/2 The air then fanned the flames. ‘This ventilation clearly pushed the fire all over the tunnel,’ Mr Gounon said.
4.
a. Originally: †the provision of air to various parts of the body, regarded either as a means of increasing heat or vital spirit, or of reducing heat (obsolete). In later use: exposure of blood to air within the lungs, as a means of taking in oxygen and eliminating carbon dioxide.
ΘΚΠ
the world > life > the body > vascular system > circulation > [noun] > oxygenation
eventilation1601
ventilation1615
aeration1804
haematosis1881
1615 H. Crooke Μικροκοσμογραϕια xi. xiii. 859 The first [vse of the Arteries] is to preserue the in-bred heat of all the members which they do by ventilation or wafting ayre vnto them.
1628 W. Folkingham Panala Medica v. 33 Afterwards vpon occasion open a veine, for ventilation at least.
1633 J. Hart Κλινικη iii. ii. 230 When in the beginning of any disease wee use this remedy [sc. phlebotomy] for ventilation, or breathing of the blood, and not for any copious evacuation.
1660 R. Boyle New Exper. Physico-mechanicall 350 Another Opinion there is touching Respiration, which makes the genuine use of it to be Ventilation (not of the Heart, but) of the Blood.
1708 J. Harris Lexicon Technicum (ed. 2) I. at Respiration Others take..Respiration to serve for the Ventilation of the Blood in the Lungs, in its passage through them, whereby 'tis disburthened of many Excrementitious Steams and Superfluous Serosities.
1822 J. M. Good Study Med. II. 905 The fetal duct and foramen are closed, and the whole mass of blood..is sent by the pulmonary artery to the lungs for ventilation.
1848 Rep. Sub-Committee Public Health Bill 72 The chest and lungs, which constitute the apparatus for effecting this ventilation of the blood, occupy a large portion of the human frame.
1914 C. Voegtlin Pharmacol. Action Serum Preservatives Hygienic Lab. Bull. No. 96. 115 The high degree of ventilation of the blood and central nervous system kept the vasomotor center in better condition than during ether anesthesia.
2009 J. Keener & J. Sneyd Math. Physiol. II. (ed. 2) xiv. 702 There is a substantial delay between ventilation of the blood and the measurement of PCO2 at the respiratory center in the brain.
b. The process of moving air or specific gases into and out of the lungs or gills, by natural means or by the use of a device or machine. Also: the volume of air or gases moved in this way; the rate of such movement.
ΘΚΠ
the world > life > the body > respiratory organs > breathing > [noun]
orthOE
breatha1300
spiritc1350
aspirement1393
breathinga1398
suspiry1398
spirtc1415
respiration?a1425
respiring?a1425
windc1450
soufflement1483
anding1487
spiring1533
spiration1568
suspiration1604
aspiration1608
expiration1638
eupnœa1706
flation1708
rebreathing1877
ventilation1891
the world > health and disease > healing > medical treatment > types of treatment generally > [noun] > artificial respiration
artificial respiration1788
positive pressure1885
respiratory therapy1964
ventilation1974
1826 Republican 16 June 753 The mechanic actions of the lungs in crying is produced often by the uneasy action of the members, and the foolish mother thinks to stop this necessary ventilation of the lungs by the application of the breast.
1850 R. S. Burn Pract. Ventilation i. 4 The object of this process,..which has been termed ‘the ventilation of the lungs’, is to remove the ‘vitiated, which is exhaled into the lungs, and to supply a corresponding quantity of fresh air’.
1889 Jrnl. Physiol. 10 28 Most of the machines for ‘Artificial Respiration’ or ‘Ventilation’ simply inflate the lungs periodically and allow them to return to the normal volume after each stroke of the pump.
1907 Lancet 28 Dec. 1844/1 This [sc. raised tension of carbon dioxide in the venous blood] is due..to (1) delayed blood stream, and (2) deficient lung ventilation.
1978 Sci. Amer. Aug. 95/2 The fish could..wait until an oxygen deficit occurs and then respond by increasing its gill ventilation.
2002 J. L. Nation Insect Physiol. & Biochem. xii. 339 Movement of O2 and CO2 through tracheal tubes is promoted by active ventilation in most insects.
2021 @milaapdotorg 20 Nov. in twitter.com (accessed 17 Mar. 2022) Though the operation was successful, her lungs are still weak and she is on ventilation.
5.
a. The admission of adequate fresh air (to an enclosed area) to replace stagnant or noxious air, or to cool or dry the area; the means or method by which this is accomplished. Also in later use: the removal of noxious air or other pollutants (from an enclosed area). Also with of.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > ventilation and air-conditioning > [noun]
ventilation1664
ventilating1743
air conditioning1909
central air conditioning1923
central air1955
AC1962
air-con1970
air1974
the world > matter > gas > air > fresh air > [noun] > supplying fresh air or ventilation
eventilation1597
ventilation1664
ventilating1743
aeration1800
1624 H. Wotton Elements Archit. i. 57 Of Staire-cases... The space aboue the Head, bee large and Airy, which the Italians vse to call Vn bel-sfogolo, as it were good Ventilation, because a man doth spend much breath in mounting.
1743 S. Hales Descr. Ventilators 34 This Ventilation will also be of service to preserve..the Timber and Planks of the Hold itself.
1763 W. Lewis Commercium Philosophico-technicum App. 636 Some falls may be applied also to another purpose, of no little importance, the ventilation of mines and coal-pits, or the driving of fresh air, in the room that, which the mineral vapours have rendered unwholesome.
1854 Poultry Chron. 1 32 Sufficient ventilation to prevent the house becoming too hot or close in summer..must also receive attention.
1935 H. Heslop Last Cage Down (1984) iii. 317 Mine ventilation, while simple when viewed as a whole, demands a few simple tools.
1987 Daily Mail 24 Jan. 44/5 (advt.) Seamless shoulders for total weather protection, underarm ventilation, wind resistant cuffs and a cleverly concealed heavy duty hood.
2007 D.-H. Kim et al. in J. Bartak et al. Underground Space 1692/2 The most serious problem is about the ventilation of toxic smoke generated from the fire.
2021 Age (Melbourne) 21 July (Opinion section) 18 The multi-storey, apartment-style Olympic village does also not seem to be designed with ventilation in mind to reduce virus spread.
b. figurative. The introduction of new ideas or inspiration (into the mind, etc.); the expression of negative feelings, emotions, etc., esp. as a therapeutic strategy (now chiefly Psychology).
Π
1751 S. Johnson Rambler No. 101 The imagination stagnates without external ventilation.
1852 G. Moore Use of Body in Relation to Mind xx. 354 Minds and bodies alike need ventilation.
1969 Social Work Oct. 47/2 The process of identification around commonality of affect facilitates ventilation and release.
1994 Independent (Nexis) 14 Oct. 24 In this studied ventilation of Massive's stuffy milieu, something has been lost.
2012 M. Howrey Cranes Dance 252 I swallowed another Vicodin, more for my guilt than for my neck, and it did bring me a certain amount of mental ventilation.
Π
1658 E. Phillips New World Eng. Words Ventilation, a fanning, or gathering of winde; also a winnowing of Corn.
1668 Bp. J. Wilkins Ess. Real Char. 245 Operations belonging to Agriculture, do concern..the grane.., [as] Winnowing, fan, Ventilation.
1818 Trans. Soc. Arts 35 Pref. p. x The grain is step by step separated from the fragments of straw, from the chaff, from the seeds of weeds, and the lighter grain; and, by friction and ventilation, comes out..thoroughly cleaned from all impurities.
1855 Monthly Jrnl. Industr. Progress 2 iii. 27 This arrangement has..the advantage of subjecting the surfaces of all parts of the corn in succession to the action of ventilation.
II. Senses relating to discussion or utterance.
7. figurative.
a. Discussion of or debate upon a doctrine, question, or subject; the action or fact of bringing a subject to public notice in this way.
ΘΚΠ
society > communication > information > publishing or spreading abroad > [noun]
publicationa1387
publishing?c1450
publishmenta1513
propagation1531
divulgating1537
bruit1548
divulgation1548
edition1549
notifying1550
promulgation1562
provulgation1566
diffusion1600
blazon1603
divulging1604
divulge1619
ventilationa1631
evulgation1638
propalationa1676
circulation1684
popularization1797
pervulgationa1832
the mind > attention and judgement > enquiry > investigation, inspection > examination by discussion > [noun]
discussing1448
discuss1541
discussion1546
discussment1559
entreatment1575
discussure1610
dissertation1611
ventilationa1631
ventilating1660
the mind > language > speech > conversation > [noun] > topic of or subject for conversation or gossip > discussion
debate1393
revolutionc1425
treatingc1450
disputation1489
debatement1536
debating1548
discuss1571
discussion1598
reasoning1611
entertainment1625
ventilationa1631
ventilating1660
discussal1809
skull session1959
séance1962
1611 J. Speed Hist. Great Brit. ix. x. 546/1 Vpon full ventilation therefore and scanning of all rights, the maine doubt rested vpon Lord Brus and Baliol.
1651 R. Baxter Plain Script. Proof Infants Church-membership & Baptism 19 If the kindled humor had not had a free ventilation in Pulpit and in Press.
1769 Dialogues Between Pilgrim, Adam, Noah, & Cleophas 189 The Books being opened, after much ventilation of the several texts in point, they delivered it as their unanimous opinion, that this miraculous birth was to be at Bethlehem.
1856 J. A. Froude Hist. Eng. (1858) I. iii. 205 That the grievances of the nation..should be submitted to a complete ventilation.
1903 Times 28 Dec. 6/3 The recent issue of a Parliamentary White-paper in accordance with an address of the House of Commons..marks a distinct step forward in the ventilation of the question.
2019 Sunday Times (S. Afr.) (Nexis) 16 June (Opinion & Editorial section) 20 It is our view that the commission in fact obstructed and impeded a full ventilation of the issues.
b. The utterance or expression of one's thoughts, feelings, etc. Also as a count noun: an instance of this. Formerly also connoting long-winded or speculative utterances, as in quots. 1684 and 1891.
ΘΚΠ
the mind > language > speech > [noun]
speechc725
spellc888
tonguec897
spellingc1000
wordOE
mathelingOE
redec1275
sermonc1275
leeda1300
gale13..
speakc1300
speaking1303
ledenc1320
talea1325
parliamentc1325
winda1330
sermoningc1330
saying1340
melinga1375
talkingc1386
wordc1390
prolationa1393
carpinga1400
eloquencec1400
utteringc1400
language?c1450
reporturec1475
parleyc1490
locutionc1500
talk1539
discourse1545
report1548
tonguec1550
deliverance1553
oration1555
delivery1577
parling1582
parle1584
conveying1586
passage1598
perlocution1599
wording1604
bursta1616
ventilation1615
loquency1623
voicinga1626
verbocination1653
loquence1677
pronunciation1686
loquel1694
jawinga1731
talkee-talkee?1740
vocification1743
talkation1781
voicing1822
utterancy1827
voicing1831
the spoken word1832
outness1851
verbalization1851
voice1855
outgiving1865
stringing1886
praxis1950
the mind > mental capacity > perception or cognition > faculty of imagination > fancy or fantastic notion > [noun] > product of > vain imaginings
ventilation1684
dreamery1830
vapouring1866
dreamage1883
1615 H. Crooke Μικροκοσμογραϕια 300 So by the ventilation or skirmish of aduersary opinions the truth comes best to be knowne.
1684 J. Strype tr. J. Lightfoot Horæ Hebraicæ in Wks. II. 611 It would be very tedious to quote their Ventilations [L. discussiones] about it.
1891 W. H. Goss Let. 30 Aug. in Rev. Mod. Sci. & Mod. Thought (1895) 93 Opinions are not to be accepted as Gospel truth because they may have been uttered at a meeting of the British Association; as I am sure you will have found out if you have watched some of their ventilations.
1957 Group Psychotherapy 10 179 Her ventilations in the group contributed to more understanding and accord between them.
2018 Nation (Nigeria) (Nexis) 13 July He characteristically gave room for the ventilation of opinions, even from his fiercest opponents.
Compounds
General use as a modifier in sense 5a, as in ventilation duct, ventilation-fan, ventilation-pipe, ventilation shaft, etc.
Π
1807 A. Rees Cycl. (1819) VIII. at Coal The air or ventilation shaft, having a common roll and winch handle erected over it.
1823 J. Vallance Let. on Properties of Air which relate to Caloric 101 The end of the ventilation pipe is immersed a few inches in the water.
1889 J. J. Welch Text Bk. Naval Archit. 133 Where..platforms are pierced for ventilation purposes.
c1890 W. H. Casmey Notes Ventilation 7 We must bring the ventilation-fan to our aid.
1937 Discovery Nov. 345/1 The original roof of the Saxon chapel was almost certainly of wood, probably with ventilation ducts or cowls of a shape which may have suggested to the 16th century builders their idea for the dormer roof lights.
1962 F. I. Ordway et al. Basic Astronautics xii. 473 A bulky ventilation suit worn under the full pressure suit.
2021 Hiru News (Sri Lanka) (Nexis) 26 Nov. The incident started when coal dust in a ventilation shaft caught fire on Thursday, filling the Siberian mine with smoke.
This entry has been updated (OED Third Edition, December 2022).
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n.c1485