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n. pl. ge·om·e·tries
a. The mathematics of the properties, measurement, and relationships of points, lines, angles, surfaces, and solids.
b. A system of geometry: Euclidean geometry.
c. A geometry restricted to a class of problems or objects: solid geometry.
d. A book on geometry.
a. Configuration; arrangement.
b. A surface shape.
3. A physical arrangement suggesting geometric forms or lines.
[Middle English geometrie, from Old French, from Latin geōmetria, from Greek geōmetriā, from geōmetrein, to measure land : geō-, geo- + metron, measure; see mē- in Indo-European roots.]
ge·om′e·tri′cian (jē-ŏm′ĭ-trĭsh′ən, jē′ə-mĭ-), ge·om′e·ter n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ge•om•e•tri•cian(dʒiˌɒm ɪˈtrɪʃ ən, ˌdʒi ə mɪ-)
a person skilled in geometry.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.