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  • English Word Hypocycloid Definition A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid.
  • English Word Hypodactylum Definition The under side of the toes.
  • English Word Hypoderm Definition Same as Hypoblast.
  • English Word Hypoderma Definition A layer of tissue beneath the epidermis in plants, and performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.
  • English Word Hypoderma Definition An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates.
  • English Word Hypodermatic Definition Hypodermic.
  • English Word Hypodermic Definition Of or pertaining to the parts under the skin.
  • English Word Hypodermis Definition Same as Hypoblast.
  • English Word Hypodermis Definition Same as Hypoderma, 2.
  • English Word Hypodicrotic Definition Alt. of Hypodicrotous
  • English Word Hypodicrotous Definition Exhibiting retarded dicrotism; as, a hypodicrotic pulse curve.
  • English Word Hypogaeic Definition Pertaining to, or obtained from, the peanut, or earthnut (Arachis hypogaea).
  • English Word Hypogastric Definition Of or pertaining to the hypogastrium or the hypogastric region.
  • English Word Hypogastrium Definition The lower part of the abdomen.
  • English Word Hypogea Definition of Hypogeum
  • English Word Hypogean Definition Hypogeous.
  • English Word Hypogene Definition Formed or crystallized at depths the earth's surface; -- said of granite, gneiss, and other rocks, whose crystallization is believed of have taken place beneath a great thickness of overlying rocks. Opposed to epigene.
  • English Word Hypogeous Definition Growing under ground; remaining under ground; ripening its fruit under ground.
  • English Word Hypogeum Definition The subterraneous portion of a building, as in amphitheaters, for the service of the games; also, subterranean galleries, as the catacombs.
  • English Word Hypoglossal Definition Under the tongue; -- applied esp., in the higher vertebrates, to the twelfth or last pair of cranial nerves, which are distributed to the base of the tongue.
  • English Word Hypoglossal Definition One of the hypoglossal nerves.
  • English Word Hypognatous Definition Having the maxilla, or lower jaw, longer than the upper, as in the skimmer.
  • English Word Hypogyn Definition An hypogynous plant.
  • English Word Hypogynous Definition Inserted below the pistil or pistils; -- said of sepals, petals, and stamens; having the sepals, petals, and stamens inserted below the pistil; -- said of a flower or a plant.
  • English Word Hypohyal Definition Pertaining to one or more small elements in the hyoidean arch of fishes, between the caratohyal and urohyal.
  • English Word Hypohyal Definition One of the hypohyal bones or cartilages.
  • English Word Hyponastic Definition Exhibiting a downward convexity caused by unequal growth. Cf. Epinastic.
  • English Word Hyponasty Definition Downward convexity, or convexity of the inferior surface.
  • English Word Hyponitrite Definition A salt of hyponitrous acid.
  • English Word Hyponitrous Definition Containing or derived from nitrogen having a lower valence than in nitrous compounds.