uniaxialadj.
/ˌjuːnᵻˈaksɪəl/, U.S. /ˌjuniˈæksiəl/ 1. Optics and Crystallography. Having one optical axis.
ΘΚΠ
the world > physical sensation > sight and vision > optical instruments > instruments to refract, etc., light > [adjective] > optic axis
uniaxal1829
uniaxiala1830
a1830 J. F. W. Herschel Light in Encycl. Metrop. (1845) IV. 520 When the two axes coalesce, or the crystal becomes uniaxial, the lemniscates become circles.
1854 B. Powell Pereira's Lect. Polarized Light (ed. 2) 176 The crystal possesses the singular property of being uniaxial for violet light and biaxial for red.
1888 F. Rutley Rock-forming Minerals 37 Uniaxial crystals.
2. Botany and Zoology. = monoaxial adj.
ΘΚΠ
the world > life > biology > physical aspects or shapes > specific areas or structures > [adjective] > centre > having specific number of axes
monoaxial1879
uniaxial1879
1879 W. Rossiter Illustr. Dict. Sci. Terms Uniaxial development: in all vertebrate animals, some molluscs and annulosa; in some of exogens, endogens, algæ, and fungi.
3. Characterized by one axis of alignment or action.
ΘΚΠ
the world > matter > chemistry > chemical properties > [adjective] > of or relating to miscellaneous other properties
sweet1666
nimble1671
watery1741
unvitriolized1757
greedy1758
unneutralized1758
unvitrifiable1758
free1783
fixed1800
nascent1800
inorganic1831
assimilative1837
unnitrogenized1846
inactive1848
kaligenous1854
unacceptant1866
aggressive1888
oligodynamic1893
chromotropic1899
undissociated1899
osmophoric1901
thermochromic1904
unary1923
non-stoichiometric1943
odoriphoric1944
slow-release1946
sonoluminescent1961
uniaxial1965
the world > matter > physics > mechanics > force > [adjective] > relating to tension > specific
thermo-tensile1891
pre-stretched1936
pre-tensioned1949
uniaxial1965
1965 E. B. Atkinson in P. D. Ritchie Physics of Plastics v. 250 The cube is subjected to a simple tensile stress normal to the x faces,..i.e. a state of simple uniaxial tension exists.
1969 W. R. R. Park Plastics Film Technol. ii. 28 Uniaxial orientation takes place during the drawing of a filament. Here the polymer chains are aligned in one direction.
1982 Jrnl. de Physique: Lettres 43 585 The dynamics of an amorphous polystyrene..melt is studied..during stress relaxation following a uniaxial deformation.
Derivatives
uniˈaxially adv.
ΘΚΠ
the world > space > direction > [adverb] > with one axis of alignment
uniaxially1909
1909 in Webster's New Internat. Dict. Eng. Lang.
1969 Jrnl. Appl. Physics 40 1301 The coercive force for a pair of identical interacting uniaxially anisotropic dipoles of arbitrary bond angle is calculated.
1979 Nature 15 Mar. 222/2 The entire assembly would then be hot-pressed, either uniaxially or isostatically, at a temperature of 1,200–1,300°C.
This entry has not yet been fully updated (first published 1924; most recently modified version published online March 2022).
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adj.a1830