(of animal ova) showing complete but unequal cleavage after fertilization
any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many rocks. Historical Examples Both are common alteration products of magnesian silicate minerals such as olivine, pyroxene, and amphibole. The Economic Aspect of Geology C. K. Leith […]
noun the free-swimming larva of certain sponges, which consists of a hollow spherical mass of cells some of which have flagella Historical Examples During the later periods of the amphiblastula stage a cavity appears in the granular cells dividing them into two layers. The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland […]
equivocal; uncertain; changing; ambiguous.
ambiguity of speech, especially from uncertainty of the grammatical construction rather than of the meaning of the words, as in The Duke yet lives that Henry shall depose. Historical Examples The phrase transcendental object occurs once in the second Analogy and twice in the Note on amphiboly. A Commentary to Kant’s ‘Critique of Pure Reason’ […]