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observer

Flag: gbEnglishMerriam-Webster Dictionary
ue'>| ˌa-lō-ˈan-ti-jən

Definition

  • an antigen present only in some individuals (as of a particular blood group) of a species and capable of inducing the production of an alloantibody by individuals which lack it
First Known Use
1964, in the meaning defined above
History and Etymology
allo- + antigen
ge​om​e​try
noun
ge·​om·​e·​try
jē-ˈä-mə-trē
plural ge​om​e​tries

Definition

  • a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids
    broadly the study of properties of given elements that remain invariant under specified transformations
    a particular type or system of geometry //Euclidean geometry
  • configuration //… the [bicycle] frame's geometry can be adjusted via a two-position lower shock mount which slackens the angles by another half a degree. — Liam Mercer
    surface shape //the geometry of the landscape //The shape of the earbud is tailored to the geometry of your ear. — Noah Robischon //The Ken Onion also allows you to choose the type of blade geometry for whatever implement you're sharpening … — Ariel Kanter //Every object naturally resonates when hit by electromagnetic waves of particular frequencies, which are determined by the object's geometry and material properties. — Ada Poon
  • ue'>|     ˌa-lō-ˈan-ti-jən

    Definition

    • an antigen present only in some individuals (as of a particular blood group) of a species and capable of inducing the production of an alloantibody by individuals which lack it
First Known Use
1964, in the meaning defined above
History and Etymology
allo- + antigen
ge​om​e​try
noun
ge·​om·​e·​try
jē-ˈä-mə-trē
plural ge​om​e​tries

Definition

  • a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids
    broadly the study of properties of given elements that remain invariant under specified transformations
    a particular type or system of geometry //Euclidean geometry
  • configuration //… the [bicycle] frame's geometry can be adjusted via a two-position lower shock mount which slackens the angles by another half a degree. — Liam Mercer
    surface shape //the geometry of the landscape //The shape of the earbud is tailored to the geometry of your ear. — Noah Robischon //The Ken Onion also allows you to choose the type of blade geometry for whatever implement you're sharpening … — Ariel Kanter //Every object naturally resonates when hit by electromagnetic waves of particular frequencies, which are determined by the object's geometry and material properties. — Ada Poon
observer — MW · Shobdo