perceptiblyadv.
/pəˈsɛptᵻbli/, U.S. /pərˈsɛptəbli/ In or to a perceptible degree; in a perceptible manner.
ΘΚΠ
the world > physical sensation > sight and vision > visibility > [adverb]
visiblyc1380
in semblancea1400
perceivablyc1526
seeably1548
observably1640
perceptibly1644
discernibly1645
perceivedly1659
viewably1680
distinguishably1704
perceptible1755
traceably1855
1603 J. Florio tr. M. de Montaigne Ess. i. xxxvii. 117 So doth our minde cast her points diversly and imperceptibly.]
1644 K. Digby Two Treat. i. vi. 45 A blind schoolmaster..vsed often to tell me, that he felt it [sc. light] very perceptibly in seuerall partes of his body; but especially in his braine.
a1714 J. Sharp Wks. (1754) III. xiii. 238 Whether this change be not always performed so perceptibly, as that the man himself can give a particular account both of the time when, and the manner how, it was wrought in him?
1794 R. J. Sulivan View of Nature II. 379 The nearest of which [stars]..is not perceptibly altered in magnitude.
1807 T. Thomson Syst. Chem. (ed. 3) II. 414 A combination of two parts of sulphuric acid and one of alcohol..emits a smell perceptibly ethereal.
1884 F. Temple Relations Relig. & Sci. (1885) iii. 76 Our separate acts are perceptibly subject to our own control.
1949 L. P. Hartley Boat 80 She nodded very perceptibly in the direction of the tweedy group who were talking to each other as members of the same family do.
1998 S. Lawrence Montenegro 48 The road flattened perceptibly, leading along a narrow col with the land dropping away on either side.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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adv.1644