constant

Từ điển American Heritage Dictionary 4th

con·stant (kŏnʹstənt)adj.
1. Continually occurring; persistent.
2. Regularly recurring:
plagued by constant interruptions.
3. Unchanging in nature, value, or extent; invariable. See Synonyms at continual.
4. Steadfast in purpose, loyalty, or affection; faithful. See Synonyms at faithful.n.
1. Something that is unchanging or invariable.
2.
a. A quantity assumed to have a fixed value in a specified mathematical context.
b. An experimental or theoretical condition, factor, or quantity that does not vary or that is regarded as invariant in specified circumstances. [Middle English, from Old French, from Latin cōnstāns, cōnstant- present participle of cōnstāre, to stand firm : com-, intensive pref.; see com- + stāre, to stand; See stā- in Indo-European Roots.] conʹstant·ly adv.

• Từ đồng nghĩa / Synonyms:
  ceaseless, incessant, never-ending, perpetual, unceasing, unremitting, changeless, invariant, unvarying, constant quantity, invariable