preculture

词形变化

precultures 复数 precultures precultured precultures 三单 preculturing preculturing 现在分词 precultured 过去式 precultured 过去分词

释义与例句

n.
  1. 1.

    A preliminary culture; a culture prepared in advance of the main experiment

    生物
v.
  1. 1.

    To culture in advance, such as before the main phase of an experiment

    生物

词源

Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂-der. Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *kʷelh₁- Proto-Indo-European *kʷélh₁-e-ti Proto-Italic *kʷelō Latin colō Proto-Indo-European *-tew-? Proto-Indo-European *-r-eh₂? Latin -tūra Latin cultūrader. Middle French cultureder. English culture English preculture From pre- + culture.

来源：wiktionary