13-letter words containing h, a, l, t, i, o
- national hunt — the racing of horses on racecourses with jumps
- nodical month — Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided.
- non-technical — belonging or pertaining to an art, science, or the like: technical skill.
- nonalphabetic — not employing alphabetic order
- nonhaemolytic — relating to a transfusion reaction in which the red blood cells survive
- nonhistorical — Not based on or drawn from history.
- nonhysterical — not hysterical or funny
- nontheatrical — not relating to the theatre
- north sea oil — oil extracted from deposits beneath the North Sea
- nothing loath — willing
- ochlocratical — Pertaining to ochlocracy.
- off the rails — into or in a state of dysfunction or disorder
- oklahoma city — a city in and the capital of Oklahoma, in the central part.
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- orchestralist — a person who writes or arranges orchestral music
- 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
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- palm off with — If you say that you are palmed off with a lie or an excuse, you are annoyed because you are told something in order to stop you asking any more questions.
- palos heights — a city in NE Illinois, near Chicago.
- pantheologist — a student of, or expert in, pantheology
- 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.
- phelloplastic — an image or a representation that has been fashioned from cork
- 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.
- phenomenality — highly extraordinary or prodigious; exceptional: phenomenal speed.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phlogisticate — to integrate or blend phlogiston with
- photoallergic — photosensitive.
- photochemical — the branch of chemistry that deals with the chemical action of light.
- photocopiable — able or legally permitted to be photocopied
- photogelatine — relating to photographic processes in which gelatine is used in receiving or transferring prints
- photovoltaics — (used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- phraseologist — a person who treats of or is concerned with phraseology.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- plain yoghurt — natural yoghurt, without added flavouring
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- play hob with — to make trouble for; interfere with and make disordered
- polyarthritis — arthritis occurring in more than one joint.
- polychromatic — having or exhibiting a variety of colors.