confocal

名词 n. 形容词 adj.
中文释义
英 /kənˈfəʊkəl/    美 /kənˈfoʊkəl/

英文释义

名词 n.
  1. Any of a pair of confocal mirrors or lenses
形容词 adj.
  1. Having the same foci. not-comparable

词形变化

confocals plural

词源

词源 1
Etymology tree
Old French con-bor.
Proto-Indo-European *ḱe?
Proto-Indo-European *ḱóm
Proto-Italic *kom
Proto-Italic *kom-
Latin con-bor.
Middle English con-
English con-
English focal
English confocal
From con- + focal.
词源 2
Etymology tree
Old French con-bor.
Proto-Indo-European *ḱe?
Proto-Indo-European *ḱóm
Proto-Italic *kom
Proto-Italic *kom-
Latin con-bor.
Middle English con-
English con-
English focal
English confocal
From con- + focal.
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