a. 天然的, 未成熟的, 粗糙的, 粗鲁的

n. 天然的物质

[医] 生的; 粗制的

[经] 原油

Crude \Crude\ (kr[udd]d), a. [Compar. {Cruder} (-[~e]r); superl.
{Crudest}.] [L. crudus raw; akin to cruor blood (which flows
from a wound). See {Raw}, and cf. {Cruel}.]
1. In its natural state; not cooked or prepared by fire or
heat; undressed; not altered, refined, or prepared for use
by any artificial process; raw; as, crude flesh. ``Common
crude salt.'' --Boyle.

Molding to its will each successive deposit of the
crude materials. --I. Taylor.

2. Unripe; not mature or perfect; immature.

I come to pluck your berries harsh and crude.
--Milton.

3. Not reduced to order or form; unfinished; not arranged or
prepared; ill-considered; immature. ``Crude projects.''
--Macaulay.

Crude, undigested masses of suggestion, furnishing
rather raw materials for composition. --De Quincey.

The originals of Nature in their crude
Conception. --Milton.

4. Undigested; unconcocted; not brought into a form to give
nourishment. ``Crude and inconcoct.'' --Bacon.

5. Having, or displaying, superficial and undigested
knowledge; without culture or profundity; as, a crude
reasoner.

6. (Paint.) Harsh and offensive, as a color; tawdry or in bad
taste, as a combination of colors, or any design or work
of art.