heteromerousadj.
/hɛtəˈrɒmərəs/ Having or consisting of parts differing in character, number, or other respect.
1. Entomology. Having legs differing in the number of their tarsal joints; spec. belonging to the division Heteromera of coleopterous insects (see heteromeran n.).
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Coleoptera or beetles and weevils > [adjective] > belonging to the Heteromera
heteromerous1826
the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [adjective] > of leg(s) > having legs differing in number of tarsal joints
heteromerous1826
1826 W. Kirby & W. Spence Introd. Entomol. III. 683 The term heteromerous properly belongs to all insects in which the different pairs of tarsi vary inter se in the number of their joints.
1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. v. 116 Numerous Lamellicorn and Heteromerous insects.
2. Botany.
a. Applied to lichens in which the gonidia are arranged in one or more distinct layers within the thallus; opposed to homœomerous.
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the world > plants > particular plants > lichen > [adjective] > of or characterized by parts
angiocarpous1835
tartareous1839
nucleiform1840
gonidial1845
variolarioid1845
hypothalline1855
gonidic1856
gymnocarpous1856
isidioid1856
gonimic layer1857
nucleiferous1857
glebulose1866
heteromerous1875
homoeomerous1875
crustose1879
scyphose1879
apothecial1882
soredial1882
placodioid1911
isidial1921
isidiate1959
1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 265 The gonidia are crowded into one layer, by which the hyphal tissue is at the same time separated according to circumstances into an outer and inner or an upper and under layer; the thallus-tissue is then stratified, and such Lichens are termed Heteromerous.
b. Applied to flowers in which the members differ in number in the different whorls: opposed to isomerous.
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the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having specific arrangement or number of member parts
regular1760
decandrous1808
irregular1826
tetramerous1835
pentamerous1848
symmetrical1849
hexamerous1857
isomerous1857
octamerous1857
anisomerous1861
octomeral1871
hemicyclic1875
zygomorphic1875
zygomorphous1879
tetracyclic1880
heteromerous1882
heterocyclic1895
oligomerous1897
pleiomerous1898
decasepalous-
1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 601 When the number of members is the same in each whorl [of a flower] they are said to be isomerous, when this is not the case heteromerous.
3. Chemistry. Unrelated as to chemical composition, as in certain cases of isomorphism.
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1864 in Webster's Amer. Dict. Eng. Lang.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2021).
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adj.1826