13-letter words containing a, l, t, h, o, r
- 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
- parental home — a school for problem children.
- parnell shout — a social occasion where each person in a group pays for his or her own entertainment or meal
- patent holder — a person or company that holds a patent
- 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.
- 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.
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- photo gallery — display of collected photographs
- photoallergic — photosensitive.
- phototelegram — a telegram that is sent by means of phototelegraphy
- phraseologist — a person who treats of or is concerned with phraseology.
- phytoplankter — a minute organism which constitutes part of phytoplankton
- plain yoghurt — natural yoghurt, without added flavouring
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- platform shoe — a shoe with a platform.
- plethysmogram — the recording of a plethysmograph.
- polyarthritis — arthritis occurring in more than one joint.
- polychromatic — having or exhibiting a variety of colors.
- poulard wheat — a Mediterranean wheat, Triticum turgidum, grown as a forage crop in the U.S.
- pre-adulthood — of or relating to the period prior to adulthood: preadult strivings for independence.
- 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
- pterylography — the description of the feather arrangement on birds
- 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.
- reflectograph — a type of mechanical instrument used for communication with spirits or the dead
- 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.
- rochelle salt — a white crystalline double salt, sodium potassium tartrate, used in Seidlitz powder. Formula: KNaC4H4O6.4H2O
- rotary plough — an implement with a series of blades mounted on a power-driven shaft, used to break up soil or weeds
- royal charter — authorization by the monarchy
- saccharolytic — of or causing the hydrolysis of sugars.
- schoolteacher — a teacher in a school, especially in one below the college level.
- sclerotherapy — Medicine/Medical. a treatment for varicose veins in which blood flow is diverted and the veins collapsed by injection of a hardening solution, also used cosmetically in spider veins to eliminate discoloration.
- shaver outlet — a point in a wall, esp in a bathroom, where you can connect an electric razor to the power supply
- smooth-talker — a person who gets another person to do their bidding by using a slick, gently persuasive, practised, or competent manner
- solar chariot — (in ancient Egypt) a chariot placed in the tomb of a king to transport him to the sun.
- solar heating — to heat (a building) by means of solar energy.
- southeasterly — coming from the south east