preseed

名词 n. 动词 v. 形容词 adj.
中文释义
英 /pɹiːˈsiːd/   

英文释义

名词 n.
  1. A medium specially prepared for a seeding operation.
    — The preseed is then transferred aseptically to 20-liter seed tanks [....]
动词 v.
  1. To seed in advance.
    — […] I loaned them the valve that they used to seed the clouds or preseed them with liquid nitrate solution […]
形容词 adj.
  1. Before a seeding or seed stage of development.
    — Increases in one experiment ranged from 10 to 200 times the preseed rainfall from the individual clouds, [....]

词形变化

preseeds present,singular,third-person preseeding participle,present preseeded participle,past preseeded past preseeds plural more preseed comparative most preseed superlative

词源

词源 1
Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
English seed
English preseed
From pre- + seed.
词源 2
Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
English seed
English preseed
From pre- + seed.
词源 3
Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
English seed
English preseed
From pre- + seed.
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