† actinophonicadj.

Origin: Formed within English, by compounding. Etymons: actino- comb. form, -phonic comb. form.

Etymology: < actino- comb. form + -phonic comb. form, probably after actinophone n. N.E.D. (1884) gives the pronunciation as (æ̆kti:nofǫ·nik) /ækˌtɪnəʊˈfɒnɪk/.

Obsolete. rare.

Relating to sound produced by the action of sunlight.

ΚΠ

1881 Nature 29 Sept. 528/2 When exposed in dark to a copper plate gradually heated with an oxyhydrogen blow pipe, no sound is heard in the telephone till the plate is raised to a dull red; then it gradually increases in intensity. The author is disposed to consider the phenomenon photophonic rather than actinophonic.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online June 2018).

单词	actinophonic
释义	† actinophonicadj. Origin: Formed within English, by compounding. Etymons: actino- comb. form, -phonic comb. form. Etymology: < actino- comb. form + -phonic comb. form, probably after actinophone n. N.E.D. (1884) gives the pronunciation as (æ̆kti:nofǫ·nik) /ækˌtɪnəʊˈfɒnɪk/. Obsolete. rare. Relating to sound produced by the action of sunlight. ΚΠ 1881 Nature 29 Sept. 528/2 When exposed in dark to a copper plate gradually heated with an oxyhydrogen blow pipe, no sound is heard in the telephone till the plate is raised to a dull red; then it gradually increases in intensity. The author is disposed to consider the phenomenon photophonic rather than actinophonic. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online June 2018). < adj.1881
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