lubrication

名词 n.
中文释义
美 /ˌluː.bɹɪˈkeɪ.ʃən/

英文释义

名词 n.
  1. The application of a substance (lubricant) between moving surfaces in contact in order to reduce friction and minimize heating. countable,uncountable
    — Valve and cylinder lubrication is by atomised oil delivered by mechanical lubricators.

词形变化

lubrications plural

词源

Etymology tree
English lubricate
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin -ātiōlbor.
Old French -ationbor.
Middle English -acioun
English -ation
English -ion
English lubrication
From lubricate + -ion.
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