Umbra

[ʌmbrә]

解釋/意思:

(noun.) a region of complete shadow resulting from total obstruction of light.

艾达校對--From WordNet

解釋/意思:

(n.) The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun's disk; -- used in contradistinction from penumbra. See Penumbra.

(n.) The central dark portion, or nucleus, of a sun spot.

(n.) The fainter part of a sun spot; -- now more commonly called penumbra.

(n.) Any one of several species of sciaenoid food fishes of the genus Umbrina, especially the Mediterranean species (U. cirrhosa), which is highly esteemed as a market fish; -- called also ombre, and umbrine.

杰西卡校對

解釋/意思:

n. a shadow: (astron.) the dark cone projected from a planet or satellite on the side opposite to the sun: an uninvited guest whom an invited one brings with him: one of the Umbrid the mud-minnows: a sci鎛oid fish the umbrine.—adjs. Um′bral pertaining to an umbra; Um′brāted (her.) shadowed; (obs.) Umbrat′ic -al Um′bratile shadowy secluded.—ns. Umbrā′tion adumbration; Um′brere Um′briere (Spens.) the visor of a helmet.—adj. Umbrif′erous casting a shade.

艾德丽安錄入