unproved

  • 41repeating circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 42The Circles of the Holy Roman Empire — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 43To square the circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 44transit circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 45Vertical circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 46Voltaic circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 47Voltaic circuit — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …

    The Collaborative International Dictionary of English

  • 48laetrile — noun Usage: often capitalized Etymology: laevorotary (levorotary) + nitrile Date: 1953 a drug derived especially from apricot pits that contains amygdalin and has been used in the treatment of cancer although of unproved effectiveness …

    New Collegiate Dictionary

  • 49theory — noun (plural ries) Etymology: Late Latin theoria, from Greek theōria, from theōrein Date: 1592 1. the analysis of a set of facts in their relation to one another 2. abstract thought ; speculation 3. the general or abstract principles of a body of …

    New Collegiate Dictionary

  • 50circular — I. adjective Etymology: Middle English circuler, from Middle French, from Late Latin circularis, from Latin circulus circle Date: 15th century 1. a. having the form of a circle ; round < a circular orbit > b. moving in or describing a circle or&#8230; …

    New Collegiate Dictionary