13-letter words containing h, i, l, a, r, o
- nonhistorical — Not based on or drawn from history.
- nonhysterical — not hysterical or funny
- nonperishable — not subject to rapid deterioration or decay: A supply of nonperishable food was kept for emergencies.
- nonshrinkable — incapable of being shrunk
- nontheatrical — not relating to the theatre
- normocephalic — Having a normal sized head; neither macrocephalic nor microcephalic; mesocephalic.
- north sea oil — oil extracted from deposits beneath the North Sea
- ochlocratical — Pertaining to ochlocracy.
- off the rails — into or in a state of dysfunction or disorder
- oil hardening — to quench (steel) in a bath of oil.
- orchestralist — a person who writes or arranges orchestral music
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- organ whistle — a steam or air whistle in which the jet is forced up against the thin edge of a pipe closed at the top.
- organolithium — (organic chemistry) Describing any organic compound containing a carbon to lithium bond.
- orthocephalic — having a medium or intermediate relation between the height of the skull and the breadth or length.
- orthodiagonal — the axis in a crystal
- orthoepically — In terms of correct pronunciation.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- orthogonality — (mathematics, statistics) the property of being orthogonal.
- orthogonalize — to make (vectors, functions, etc.) orthogonal.
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- orthosilicate — a silicate mineral
- oscillographs — Plural form of oscillograph.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- parapophysial — of or relating to a parapophysis
- perchlorinate — to combine with the maximum proportion of chlorine.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- pharmacologic — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- photoallergic — photosensitive.
- phraseologist — a person who treats of or is concerned with phraseology.
- plain yoghurt — natural yoghurt, without added flavouring
- polyarthritis — arthritis occurring in more than one joint.
- polychromatic — having or exhibiting a variety of colors.
- private hotel — a residential hotel or boarding house in which the proprietor has the right to refuse to accept a person as a guest, esp a person arriving by chance
- prophetically — of or relating to a prophet: prophetic inspiration.
- psilanthropic — relating to psilanthropism
- pyrotechnical — of or relating to pyrotechnics.
- quadrillionth — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- radiochemical — pertaining to or involving radiochemistry.
- rehabilitator — to restore to a condition of good health, ability to work, or the like.
- rehospitalize — to place in hospital again
- retail anchor — A retail anchor is a popular store whose name will attract customers to a shopping mall.
- rheologically — in a rheological manner
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- rhizocephalan — belonging to the Rhizocephala, a group of degenerate hermaphrodite crustaceans that are parasitic chiefly on crabs.