15-letter words containing hy
- hysteresis loss — the loss of energy by conversion to heat in a system exhibiting hysteresis.
- hystricomorphic — relating to a suborder of rodents
- ichthyodorulite — a spiny plate located on the tail and back of some fish or similar vertebrates
- ichthyodorylite — a fossilised fish-spine
- identical rhyme — rhyme created by the repetition of a word.
- identity hyphen — a hyphen separating different racial, national, or religious elements in a compound name describing a person of mixed heritage, as in Australian-Muslim
- imperfect-rhyme — rhyme in which either the vowels or the consonants of stressed syllables are identical, as in eyes, light; years, yours.
- jekyll and hyde — a person marked by dual personality, one aspect of which is good and the other bad.
- lauric aldehyde — a colorless, extremely alcohol-soluble liquid having a strong floral odor, C 12 H 24 O, used chiefly in perfumery.
- lead tetraethyl — tetraethyllead.
- lymphadenopathy — chronically swollen lymph nodes.
- masculine rhyme — a rhyme of but a single stressed syllable, as in disdain, complain.
- megagametophyte — the female gametophyte in seed plants.
- methyl chloride — a colorless, poisonous gas, CH 3 Cl, used chiefly as a refrigerant, as a local anesthetic, and as a methylating agent in organic synthesis.
- methylcellulose — a grayish-white powder prepared from cellulose that swells to a highly viscous colloidal solution in water: used as a food additive and in water paints, leather tanning, and cosmetics.
- methylcobalamin — A cobalamin used to treat neuropathies.
- methylene group — the bivalent organic group >CH 2 , derived from methane.
- methylheptenone — a colorless liquid, C 8 H 1 4 O, occurring in many essential oils and produced by synthesis: used in organic synthesis and in the manufacture of inexpensive perfumes.
- methylphenidate — a central nervous system stimulant, C 1 4 H 1 9 NO 2 , used in the control of hyperkinetic syndromes and narcolepsy.
- methylpropanone — (organic compound) The industrial solvent butanone.
- microangiopathy — any disease of the small blood vessels.
- microphysically — in a microphysical manner
- microsporophyll — a leaflike organ bearing microsporangia.
- microtopography — microrelief.
- monomethylamine — methylamine.
- mother-of-thyme — a branched, woody, prostrate plant, Thymus serpyllum, of the mint family, native to Eurasia and northern Africa, having wiry stems that root at the joints and small, purplish flowers.
- murphy-o'connor — Cormac. born 1932, British cardinal, Archbishop of Westminster (2000–09)
- neurohypophyses — Plural form of neurohypophysis.
- neurohypophysis — See under pituitary gland.
- neurophysiology — the branch of physiology dealing with the functions of the nervous system.
- noncreditworthy — Not creditworthy.
- nuclear physics — the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.
- null hypothesis — (in the statistical testing of a hypothesis) the hypothesis to be tested.
- odontorhynchous — (of birds) having toothlike ridges inside the beak
- oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.
- ornithorhynchus — the platypus.
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- palaeogeography — the study of geographical features of the geological past
- palaeontography — the branch of palaeontology concerned with the description of fossils
- palaeophytology — the study of ancient botany
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- paracetaldehyde — paraldehyde.
- pathophysiology — the physiology of abnormal or diseased organisms or their parts; the functional changes associated with a disease or syndrome.
- phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
- phototelegraphy — facsimile (def 2a).
- phototopography — topographical surveying employing photogrammetric methods.
- phototypography — (formerly) the art or technique of making printing surfaces by light or photography, by any of a large number of processes.
- photoxylography — the process of using photography in order to produce an image on wood, for the use of a wood engraver
- physical change — a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
- physical memory — (memory management) The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.