exfoliatorn.

Brit.

/ɛksˈfəʊlɪeɪtə/,

/ᵻksˈfəʊlɪeɪtə/, U.S.

/ɛksˈfoʊliˌeɪdər/,

/ɪksˈfoʊliˌeɪdər/

Origin: Formed within English, by derivation. Etymons: exfoliate v., -or suffix.

Etymology: < exfoliate v. + -or suffix. With sense 1 compare French trépan exfoliateur (1830 or earlier), and also the more common trépan exfoliatif (see exfoliative adj.).

1. Surgery. A trepan, or attachment for a trepan, used to remove bone in layers. rare. Now historical.

ΘΚΠ

the world > health and disease > healing > medical appliances or equipment > surgical instruments > [noun] > trepan

trepanc1400

terebra1611

trephine1639

modiolus1684

abaptiston1688

exfoliator1864

1864 W. H. Van Buren & C. E. Isaacs tr. C. Bernard & C. Huette Illustr. Man. Operative Surg. & Surg. Anat. p. xiii Trephining instruments... Exfoliator [Fr. Exfoliatif].

1945 Trauma Central Nerv. Syst. i. 2 The term perforator was usually employed for a burr-like instrument while the designation exfoliator was applied to one like a drill bit.

2. A furnace used to heat vermiculite and other minerals with a laminar structure in order to convert water trapped between their layers into steam, causing rapid expansion of the mineral. Also: an industrial plant in which such a process is carried out.

ΘΚΠ

society > occupation and work > equipment > furnace or kiln > furnace > [noun] > other furnaces

retort furnace1688

stew1688

reheating furnace1818

reheating oven1839

water oven1848

Siemens producer1866

decomposing furnace1876

reheat furnace1931

exfoliator1944

1944 Calif. Jrnl. Mines & Geol. 40 455 Screening has the twofold advantage of separating the material into commercial sizes and of providing uniform sizes, assuring rapid and maximum expansion in the exfoliator.

1982 Industr. Min. Aug. 50/2 Markets supplied via the intermediary of an exfoliator include building/marine boards, steel works/foundries, [etc.].

2006 J. L. Bush et al. in J. L. Kogel et al. Industr. Minerals & Rocks 190 [In 2003]... there was one exfoliator in Hawaii and one in Puerto Rico; none is recorded in Alaska.

3. An abrasive (esp. a cosmetic preparation) used to remove dead cells from the surface of the skin. Cf. exfoliant n.

ΚΠ

1971 Greenfield (Mass.) Recorder 19 Aug. ii. 15/3 Clarifying lotions..help deal with the process of skin peeling by removing a top layer of dead skin. An astringent helps refine, but it is not an exfoliator.

1994 Daily Mail 29 Sept. 56/3 The bathtime loofah..whose stringy texture makes an excellent exfoliator.

2001 W. Dunford Making Killing 115 Shelves loaded with bottles and jars and tubes... Eye gels and face creams and honey-almond-apricot exfoliators.

This is a new entry (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	exfoliator
释义	exfoliatorn. Brit. /ɛksˈfəʊlɪeɪtə/, /ᵻksˈfəʊlɪeɪtə/, U.S. /ɛksˈfoʊliˌeɪdər/, /ɪksˈfoʊliˌeɪdər/ Origin: Formed within English, by derivation. Etymons: exfoliate v., -or suffix. Etymology: < exfoliate v. + -or suffix. With sense 1 compare French trépan exfoliateur (1830 or earlier), and also the more common trépan exfoliatif (see exfoliative adj.). 1. Surgery. A trepan, or attachment for a trepan, used to remove bone in layers. rare. Now historical. ΘΚΠ the world > health and disease > healing > medical appliances or equipment > surgical instruments > [noun] > trepan trepanc1400 terebra1611 trephine1639 modiolus1684 abaptiston1688 exfoliator1864 1864 W. H. Van Buren & C. E. Isaacs tr. C. Bernard & C. Huette Illustr. Man. Operative Surg. & Surg. Anat. p. xiii Trephining instruments... Exfoliator [Fr. Exfoliatif]. 1945 Trauma Central Nerv. Syst. i. 2 The term perforator was usually employed for a burr-like instrument while the designation exfoliator was applied to one like a drill bit. 2. A furnace used to heat vermiculite and other minerals with a laminar structure in order to convert water trapped between their layers into steam, causing rapid expansion of the mineral. Also: an industrial plant in which such a process is carried out. ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > [noun] > other furnaces retort furnace1688 stew1688 reheating furnace1818 reheating oven1839 water oven1848 Siemens producer1866 decomposing furnace1876 reheat furnace1931 exfoliator1944 1944 Calif. Jrnl. Mines & Geol. 40 455 Screening has the twofold advantage of separating the material into commercial sizes and of providing uniform sizes, assuring rapid and maximum expansion in the exfoliator. 1982 Industr. Min. Aug. 50/2 Markets supplied via the intermediary of an exfoliator include building/marine boards, steel works/foundries, [etc.]. 2006 J. L. Bush et al. in J. L. Kogel et al. Industr. Minerals & Rocks 190 [In 2003]... there was one exfoliator in Hawaii and one in Puerto Rico; none is recorded in Alaska. 3. An abrasive (esp. a cosmetic preparation) used to remove dead cells from the surface of the skin. Cf. exfoliant n. ΚΠ 1971 Greenfield (Mass.) Recorder 19 Aug. ii. 15/3 Clarifying lotions..help deal with the process of skin peeling by removing a top layer of dead skin. An astringent helps refine, but it is not an exfoliator. 1994 Daily Mail 29 Sept. 56/3 The bathtime loofah..whose stringy texture makes an excellent exfoliator. 2001 W. Dunford Making Killing 115 Shelves loaded with bottles and jars and tubes... Eye gels and face creams and honey-almond-apricot exfoliators. This is a new entry (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1864
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