hexakis-Gr. ἑξάκις six times, forming an initial element in some crystallographical terms. ˌhexakisoctaˈhedron, a solid figure contained by forty-eight scalene triangles. ˌhexakistetraˈhedron, a solid figure contained by twenty-four scalene triangles, being the hemihedral form of the hexakisoctahedron.1851Illustr. Catal. Gt. Exhib. 121 Two trapezohedrons joined together produce the hexakisoctohedron.1878Gurney Crystallogr. 90 This form may be called indifferently the hexakisoctahedron or the octakishexahedron.1895Story-Maskelyne Crystallogr. §187 The forty-eight scalenohedron or hexakisoctahedron occurs as a self-existent form only in the diamond.Ibid. §189 Of the hexakistetrahedron..the minerals blende and fahlore offer the prominent examples.

hexakis- /ˈhɛksəkɪs/ combining form.

ORIGIN: Greek hexakis adverb.

Six times (a number denoted by a second combining form), as hexakistetrahedron.

hexakis-

Prefix

mathematics A variant of hexa-, used for multiplication with a second numerical prefix.
chemistry A variant of hexa-, used for substitutions of six complex rather than simple units.

Etymology

From Ancient Greek ἑξάκις (hexákis, “six times”).

Derived terms

hexakisoctahedron, a solid figure contained by 48 (six times octa- eight) scalene triangles (= octakishexahedron)

hexakistetrahedron, a solid figure contained by 24 (six times tetra- four) scalene triangles

Related terms

bis-

tris-

tetrakis-

pentakis-

heptakis-

词汇	hexakis-
词根词缀	OED SOED Wiktionary hexakis-Gr. ἑξάκις six times, forming an initial element in some crystallographical terms. ˌhexakisoctaˈhedron, a solid figure contained by forty-eight scalene triangles. ˌhexakistetraˈhedron, a solid figure contained by twenty-four scalene triangles, being the hemihedral form of the hexakisoctahedron.1851Illustr. Catal. Gt. Exhib. 121 Two trapezohedrons joined together produce the hexakisoctohedron.1878Gurney Crystallogr. 90 This form may be called indifferently the hexakisoctahedron or the octakishexahedron.1895Story-Maskelyne Crystallogr. §187 The forty-eight scalenohedron or hexakisoctahedron occurs as a self-existent form only in the diamond.Ibid. §189 Of the hexakistetrahedron..the minerals blende and fahlore offer the prominent examples. hexakis- /ˈhɛksəkɪs/ combining form. ORIGIN: Greek hexakis adverb. Six times (a number denoted by a second combining form), as hexakistetrahedron. hexakis- Prefix mathematics A variant of hexa-, used for multiplication with a second numerical prefix. chemistry A variant of hexa-, used for substitutions of six complex rather than simple units. Etymology From Ancient Greek ἑξάκις (hexákis, “six times”). Derived terms hexakisoctahedron, a solid figure contained by 48 (six times octa- eight) scalene triangles (= octakishexahedron) hexakistetrahedron, a solid figure contained by 24 (six times tetra- four) scalene triangles Related terms bis- tris- tetrakis- pentakis- heptakis-
随便看	saltine saltiness saltire kneecap -kneed knee-deep knee-high knee-jerk kneel knell Knesset knew Knickerbocker knickers knick-knack knife knight knighthood knightly knish knit knitter knitting knob knobby