13-letter words containing h, o, l, y, r
- hydroelectric — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulfides — Plural form of hydrosulfide.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulphide — a compound containing the univalent group –HS.
- hydrosulphite — hyposulfite (def 1).
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hydroxymethyl — (organic chemistry, especially in combination) The univalent radical HO-CH2-.
- hygrometrical — Alternative form of hygrometric.
- hyperbolising — to use hyperbole; exaggerate.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hyperlordosis — Particularly severe lordosis.
- hypermobility — An excess amount of elasticity in a bodily joint.
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermotility — excessive motility of the stomach or intestine (opposed to hypomotility).
- hyperpersonal — Very highly personal.
- hyperpolarize — to increase the difference in electric potential across (a cell membrane).
- hyperrational — characterized by excessive rationality
- hypervelocity — extremely high velocity, as of projectiles, space vehicles, or accelerated nuclear particles.
- hypobranchial — situated below the gills or beneath the branchial arches.
- hypochlorites — Plural form of hypochlorite.
- hyposulfurous — of or derived from hyposulfurous acid.
- hyposulphuric — relating to sulphur which is in a lower state of oxidation than it is in sulphuric compounds
- hypsometrical — Of or pertaining to hypsometry.
- hypsophyllary — relating to a hypsophyll
- isochronously — In an isochronous manner.
- johnny collar — a small, pointed collar on a shirt, dress bodice, or the like, with close-fitting neckline.
- kentish glory — a moth, Endromis versicolora, common in north and central Europe, having brown variegated front wings and, in the male, orange hindwings
- leigh-mallory — Sir Trafford Leigh [traf-erd lee] /ˈtræf ərd li/ (Show IPA), 1892–1944, British Air Force officer.
- leonine rhyme — the form of internal rhyme used in leonine verse.
- liberty horse — (in a circus) a riderless horse that performs movements to verbal commands
- lipodystrophy — A disorder characterized by abnormal or degenerative conditions of the body's adipose tissue.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- logarithmancy — Divination using logarithms.
- lonely hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- lonely-hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- lycanthropous — Lycanthropic.
- lymphographic — of or relating to lymphography
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- lymphotrophic — carrying nutrients from the lymph to the tissues.
- metallography — the study of the structure of metals and alloys by means of microscopy.
- methylpropane — (organic compound) isobutane.
- methylpropene — (organic compound) IUPAC name for isobutylene.
- microhomology — (genetics) The presence of the same short sequence of bases in different genes.
- microphyllous — having microphylls
- molly pitcher — Molly (Mary Ludwig Hays McCauley) 1754–1832, American Revolutionary heroine.