boron

名词 n.
发音 bôr'ŏn

英文释义

名词 n.
  1. The chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder. uncountable,usually
    — The B₆-type octahedral borons are each bonded to five other boron atoms; four are part of the same octahedron, and one is external to this octahedron.
  2. An atom of this element. uncountable,usually
    — For each X point, four borons in the same plane composing a B₆ cluster provide these orbitals.

词形变化

borons plural

词源

Etymology tree
Middle Persian *bōragbor.
Arabic بَوْرَق (bawraq)der.
Medieval Latin boraxder.
Anglo-Norman boreisbor.
Middle English boras
English borax
English boro-
Proto-Indo-European *kerh₃-der.?
Latin carbōlbor.
French carbonebor.
English carbonbf.
English -on
English boron
From the stem of borax (boro-) + -on (based on carbon). Coined by British chemist Humphry Davy as a modification of his earlier word boracium.
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