nychthemeral

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Relating to or lasting a nychthemeron (a period of 24 hours). not-comparable
    — Observations on sea-anemones in dimly lighted situations, such as under bridges and so forth, showed that these animals were more or less continuously expanded, but aside from such exceptions it was clear that Metridium in its natural surroundings exhibited a well-marked nychthemeral rhythm.

词形变化

nycthemeral alternative nyctohemeral alternative nictemeral alternative nuchthemerinal alternative

词源

From nychthemeron + -al.
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