12-letter words containing o, r, s, i
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.
- cataphoresis — electrophoresis
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- categorising — to arrange in categories or classes; classify.
- cater-cousin — a close friend
- cauliflowers — Plural form of cauliflower.
- cecil rhodes — Cecil John, 1853–1902, English colonial capitalist and government administrator in southern Africa.
- ceiling rose — decorative plaster centrepiece
- celebrations — Plural form of celebration.
- celtic cross — a Latin cross with a broad ring surrounding the point of intersection
- censoriously — In a censorious manner.
- centimorgans — Plural form of centimorgan.
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- cerebrosides — Plural form of cerebroside.
- ceroplastics — the art of wax modelling
- chaetiferous — having bristles
- chain smoker — person: smokes heavily
- chain-smoker — A chain-smoker is a person who chain-smokes.
- chairpersons — Plural form of chairperson.
- charity shop — A charity shop is a shop that sells used goods cheaply and gives its profits to a charity.
- charity toss — a free shot given as a penalty for a foul
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chicharrones — A Hispanic dish; made of fried pork rinds.
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chirognomist — someone who studies chirognomy
- chiropterans — Plural form of chiropteran.
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chlorospinel — a variety of spinel used as a gem, colored grass-green by the presence of copper.
- chlorpyrifos — a broad-spectrum insecticide, C 9 H 11 Cl 3 NO 3 PS, used on lawns and ornamental plants.
- chocolatiers — Plural form of chocolatier.
- choir school — (in Britain) a school, esp a preparatory school attached to a cathedral, college, etc, offering general education to boys whose singing ability is good
- choir-screen — a partition or a screen in a church that acts as a divide between the choir and the aisles
- choirmasters — Plural form of choirmaster.
- chokeberries — Plural form of chokeberry.
- cholericness — The state or quality of being choleric.
- chondriosome — mitochondrion
- chondrostian — relating to the class Chondrostei of fish with fin rays
- choreologist — a person who is expert in choreology
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chromaticism — the use of chromatic tones.
- chromatopsia — an irregularity in the ability to see colours properly
- chromidrosis — the secretion of pigmented sweat.
- chromiferous — Containing, or yielding chromium.
- chronologies — Plural form of chronology.
- chronologise — Alternative spelling of chronologize.
- chronologist — a person versed in chronology.
- chrysomelids — Plural form of chrysomelid.
- chylomicrons — Plural form of chylomicron.