| BICONCAVE | • biconcave adj. (Optics, anatomy) Having both sides concave. • BICONCAVE adj. concave on both sides.
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| BICONCAVITIES | • biconcavities n. Plural of biconcavity. • BICONCAVITY n. the state of being biconcave.
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| BICONCAVITY | • biconcavity n. The quality of being biconcave. • BICONCAVITY n. the state of being biconcave.
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| BICONDITIONAL | • biconditional adj. Having two conditions. • biconditional n. (Logic) An "if and only if" conditional wherein the truth of each term depends on the truth of the other.
 • BICONDITIONAL n. a relation between two propositions that is true only when both propositions are simultaneously true or false.
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| BICONDITIONALS | • biconditionals n. Plural of biconditional. • BICONDITIONAL n. a relation between two propositions that is true only when both propositions are simultaneously true or false.
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| BICONVEX | • biconvex adj. Having both sides convex. • BICONVEX adj. convex on both sides.
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| BICONVEXITIES | • biconvexities n. Plural of biconvexity. • BICONVEXITY n. the state of being biconvex.
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| BICONVEXITY | • biconvexity n. The quality of being biconvex. • BICONVEXITY n. the state of being biconvex.
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| RUBICON | • rubicon n. A limit that when surpassed cannot be returned from, or an action that when taken cannot be reversed. • rubicon n. (Card games) Especially in bezique and piquet: a score which, if not achieved by a losing player, increases…
 • rubicon v. (Transitive, card games) Especially in bezique and piquet: to defeat a player who has not achieved the rubicon.
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| RUBICONED | • rubiconed v. Simple past tense and past participle of rubicon. • RUBICON v. to win at piquet in this way.
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| RUBICONING | • rubiconing v. Present participle of rubicon. • RUBICON v. to win at piquet in this way.
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| RUBICONS | • rubicons n. Plural of rubicon. • Rubicons n. Plural of Rubicon.
 • RUBICON v. to win at piquet in this way.
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