Concavity

  • 121Vowel point — Point Point, n. [F. point, and probably also pointe, L. punctum, puncta, fr. pungere, punctum, to prick. See {Pungent}, and cf. {Puncto}, {Puncture}.] 1. That which pricks or pierces; the sharp end of anything, esp. the sharp end of a piercing… …

    The Collaborative International Dictionary of English

  • 122oyster — noun Usage: often attributive Etymology: Middle English oistre, from Anglo French, from Latin ostrea, from Greek ostreon; akin to Greek ostrakon shell, osteon bone more at osseous Date: 13th century 1. a. any of various marine bivalve mollusks… …

    New Collegiate Dictionary

  • 123concha — I. noun (plural conchae) Etymology: Italian & Latin; Italian conca semidome, apse, from Late Latin concha, from Latin, shell Date: circa 1639 1. a. the plain semidome of an apse b. apse 2. something shaped like a shell; especially the largest and …

    New Collegiate Dictionary

  • 124cove — I. noun Etymology: Middle English, den, from Old English cofa; akin to Old High German chubisi hut Date: before 12th century 1. a recessed place ; concavity: as a. an architectural member with a concave cross section b. a trough for concealed… …

    New Collegiate Dictionary

  • 125dish — I. noun Etymology: Middle English, from Old English disc plate, from Latin discus quoit, disk, dish, from Greek diskos, from dikein to throw Date: before 12th century 1. a. a more or less concave vessel from which food is served b. the contents… …

    New Collegiate Dictionary

  • 126Absolute value — For the philosophical term, see Value (ethics). For the Akrobatik album, see Absolute Value (album). In mathematics, the absolute value (or modulus) |a| of a real number a is the numerical value of a without regard to its sign. So, for example,… …

    Wikipedia

  • 127Calculus — This article is about the branch of mathematics. For other uses, see Calculus (disambiguation). Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables …

    Wikipedia

  • 128Crossbow — This article is about the weapon. For other uses, see Crossbow (disambiguation). Sketch by Leonardo da Vinci, c. 1500 A crossbow is a weapon consisting of a bow mounted on a stock that shoots projectiles, often called bolts or quarrels. The… …

    Wikipedia

  • 129Cartesian coordinate system — Illustration of a Cartesian coordinate plane. Four points are marked and labeled with their coordinates: (2, 3) in green, (−3, 1) in red, (−1.5, −2.5) in blue, and the origin (0, 0) in purple. A Cartesian coordinate system specifies each point… …

    Wikipedia

  • 130Derivative — This article is an overview of the term as used in calculus. For a less technical overview of the subject, see Differential calculus. For other uses, see Derivative (disambiguation) …

    Wikipedia

  • 131Flat Earth — For other uses, see Flat Earth (disambiguation). The Flammarion engraving (1888) depicts a traveller who arrives at the edge of a flat Earth and sticks his head through the firmament …

    Wikipedia

  • 132Hollow Earth — is a belief that the planet Earth has a hollow interior and, possibly, a habitable inner surface. The hypothesis of a Hollow Earth has long been contradicted by overwhelming evidence as well as by the modern understanding of planet formation, and …

    Wikipedia

  • 133Inca Empire — Infobox Former Country native name = Tawantinsuyu conventional long name = Inca Empire common name = Inca Empire continent = South America region = Andes country = Peru era = P Columbian status = Empire government type = Monarchy date pre = year… …

    Wikipedia

  • 134Polynomial — In mathematics, a polynomial (from Greek poly, many and medieval Latin binomium, binomial [1] [2] [3], the word has been introduced, in Latin, by Franciscus Vieta[4]) is an expression of finite length constructed from variables (also known as… …

    Wikipedia

  • 135Parabola — For other uses, see Parabola (disambiguation). A parabola …

    Wikipedia

  • 136Urethra — Gray s subject #256 1234 Artery Inferior vesical artery Middle rectal artery Internal pudendal artery Vein …

    Wikipedia

  • 137Violin — Infobox Instrument name=Violin names=Fiddle, de: Violine or Geige, fr: Violon, it: Violino classification=String instrument (bowed) range= related= *Violin family (viola, cello) *Viol family (includes double bass) musicians= *List of violinists… …

    Wikipedia

  • 138Pancreas — For other uses, see Pancreas (disambiguation). Pancreas the pancreas …

    Wikipedia

  • 139Tillage — Cultivating after early rain. Tillage is the agricultural preparation of the soil by mechanical agitation of various types, such as digging, stirring, and overturning. Examples of human powered tilling methods using hand tools include …

    Wikipedia

  • 140Duodenum — This article is about an organ. For Frank Zappa s song, see Duodenum (song). Duodenum Schematic diagram of the gastrointestinal tract, highlighting the duodenum. G …

    Wikipedia