a. 饱和的, 渗透的

[医] 饱和的

Saturate \Sat"u*rate\, v. t. [imp. & p. p. {Saturated}; p. pr. &
vb. n. {Saturating}.] [L. saturatus, p. p. of saturare to
saturate, fr. satur full of food, sated. See {Satire}.]
1. To cause to become completely penetrated, impregnated, or
soaked; to fill fully; to sate.

Innumerable flocks and herds covered that vast
expanse of emerald meadow saturated with the
moisture of the Atlantic. --Macaulay.

Fill and saturate each kind
With good according to its mind. --Emerson.

2. (Chem.) To satisfy the affinity of; to cause to become
inert by chemical combination with all that it can hold;
as, to saturate phosphorus with chlorine.


Saturated \Sat"u*ra`ted\, a.
1. Filled to repletion; holding by absorption, or in
solution, all that is possible; as, saturated garments; a
saturated solution of salt.

2. (Chem.) Having its affinity satisfied; combined with all
it can hold; -- said of certain atoms, radicals, or
compounds; thus, methane is a saturated compound.
Contrasted with {unsaturated}.

Note: A saturated compound may exchange certain ingredients
for others, but can not take on more without such
exchange.

{Saturated color} (Optics), a color not diluted with white; a
pure unmixed color, like those of the spectrum.