scleroid

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. The outermost layer of an eyeball.
    — This is caused by the scleroid which turns around the optic nerve, and projects somewhat above it, thus forming, when illuminated, the clear scleroidal margin.
  2. A plant cell with thick cell walls.
    — At the end of gall formation isolated scleroids are differentiated in the gall parenchyma, and much more rarely, tracheids and vessels.
形容词 adj.
  1. Having a hard texture.
    — The shells of nuts are scleroid.
  2. thickened.
    — Did you find his drums were thickened and scleroid ?

词形变化

more scleroid comparative most scleroid superlative scleroids plural

词源

词源 1
From sclero- + -oid.
词源 2
From sclero- + -oid.
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