Sentence Examples


  • When the summits of these are worn by mastication their surfaces present circles of dentine surrounded by a border of enamel, and as attrition proceeds different patterns are produced by the union of the bases of the cusps, a trefoil form being characteristic of some species.
  • The temporary includes vetches, pulse, lupine, clover and trifolium; and the perennial, meadow-trefoil, lupinella, sulla (fledysarum coronarium), lucerne and darnel.
  • Greater freedom of moulding and the use of trefoil and cinquefoil may be, but need not be, explained in this way.
  • On the other hand, in Merycopotamus, of the Lower Pliocene of India and Burma, the upper molars have lost the fifth intermediate cusp of Ancodon; and thus, although highly selenodont, might be easily modified, by a kind of retrograde development, into the trefoil-columned molars of Hippopotamus.
  • At Fontevrault shows a development of the crown; the trefoil heads are expanded, and are chased and jewelled.

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