Exogen

[eksәdʒәn]

解釋/意思:

(n.) A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen.

埃迪校對

解釋/意思:

n. a plant belonging to the great class that increases by layers growing on the outside of the wood.—adj. Exog′enous (-oj′) growing by successive additions to the outside.

伯娜丁整理