cirriform


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cirriform

[′sir·ə‚fȯrm]
(meteorology)
Descriptive of clouds composed of small particles, mostly ice crystals, which are fairly widely dispersed, usually resulting in relative transparency and whiteness and often producing halo phenomena not observed with other cloud forms.
(zoology)
Having the form of a cirrus; generally applied to a prolonged, slender process.

cirriform

All species and varieties of cirrus, cirrocumulus, and cirrostratus clouds. These are high clouds composed mostly (or entirely) of small ice crystals, which are normally transparent and white in color. These clouds often produce halo phenomena not observed with other cloud forms.
References in periodicals archive ?
3A, B); peristomial cirri are cirriform, banded, and not reaching the anterior margin of peristomium.
3C-E), peristomial cirri are cirriform, not reaching the peristomial anterior margin.
Thoracic notopodia bearing a cirriform postchaetal lobe supported by a straight acicula and with a knob-like expansion near base (Fig.
Prostomium with two pairs of subequal, dark eyes; palps thick biarticulated, palpostyles rounded; antennae cirriform slightly passing the palpostyles.
Posterior parapodia with enlarged dorsal cirri and notopodial ligule; superior notopodial ligule triangular wider than long, inferior one digitare, acicular neuropodial ligule blunt, wider than long, inferior one cirriform longer than the acicular ligule (Fig.
Dorsal cirri cirriform, first one almost twice as long as followers, present throughout the body.