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单词 pointable
释义

pointableadj.

Brit. /ˈpɔɪntəbl/, U.S. /ˈpɔɪn(t)əb(ə)l/
Forms: 1500s poyntable, 1600s 1800s– pointable.
Origin: Formed within English, by derivation. Etymons: point v.1, -able suffix.
Etymology: < point v.1 + -able suffix.
1. Capable of being pointed out; that can be pointed to or at; (hence) visible, apparent. rare.
ΘΚΠ
the world > physical sensation > sight and vision > visibility > [adjective] > clearly visible
senec1175
well seenc1175
naked?c1225
well isenec1275
bremec1340
evidenta1382
apparent1393
palpable?1435
open1478
pointablea1555
faira1568
full-eyed1581
unmasked1590
eyeful?1611
plain1613
prospecta1640
unovercloudeda1658
intuitive1801
unmystified1822
shroudless1841
unforeshortened1846
trenchant1849
focusable1889
a1555 J. Bradford All Exam. (1561) sig. Kiiij In Helyas time both in Israel, and els where, Gods churche was not poyntable: and therefore cryed he oute that he was lefte alone.
1939 I. Berlin in Mind 48 525 ‘This patch is green’ is thus a synthetic proposition equivalent to ‘this (ideally pointable to) portion of my sense field is green’.
2003 Re: Why is SF -not- popular? in rec.arts.sf.written (Usenet newsgroup) 18 Oct. I twice posted asking if anyone had any definite, pointable-at evidence of what..Oprah had said.
2. Capable of being pointed or aimed; spec. (of a telescope, gun, etc.) that can be pointed at an object; easy to point, rotatable.
ΘΚΠ
the world > space > direction > [adjective] > given direction towards a mark > able to be
pointable1890
1890 Cent. Dict. Pointable, capable of being pointed.
1963 Proc. National Acad. Sci. U.S.A. 49 766 The large mass would have to be pointable to a fraction of one minute of arc.
1980 Sci. Amer. Apr. 64/3 A pointable telescope with an aperture of 2.5 centimeters (one inch) that uses the spin motion of the spacecraft to scan an object.
2003 Machine Design (Nexis) 10 July 44 The robotic arm, guided by a fully pointable, stereo-imaging camera mounted on its ‘wrist’.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.a1555
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更新时间:2024/12/25 9:24:26