13-letter words containing c, r, o, t, n
- antirejection — acting to prevent the rejection of a transplanted organ
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antiscorbutic — preventing or curing scurvy
- antisudorific — an antiperspirant.
- apperceptions — Plural form of apperception.
- appreciations — Plural form of appreciation.
- arabicization — the gradual change of a culture into one that incorporates Arab culture and/or speaks Arabic
- arachnoiditis — an inflammation of the arachnoid membrane
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- architectonic — denoting, relating to, or having architectural qualities
- aridification — the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arthroconidia — Plural form of arthroconidium.
- articulations — Plural form of articulation.
- astrodynamics — the study of the motion of natural and artificial bodies in space
- astronautical — of or relating to astronautics or astronauts.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atrociousness — The state of being atrocious.
- auctioneering — Present participle of auctioneer.
- authenticator — a person or thing that authenticates.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- averruncation — the act of averting or turning away
- back to front — If you are wearing something back to front, you are wearing it with the back of it at the front of your body. If you do something back to front, you do it the wrong way around, starting with the part that should come last.
- backformation — Alternative spelling of back-formation.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriogenic — Caused by bacteria.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- baritone clef — an F clef locating F below middle C on the third line of the staff.
- baroclinicity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- basic fortran — (language) A subset of Fortran.
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- beta carotene — a yellowish form of carotene: a dietary deficiency of this is associated with a greater risk of certain cancers
- beta-carotene — the most abundant of various isomers of carotene, C 40 H 56 , that can be converted by the body to vitamin A.
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- bioenergetics — the study of energy transformations in living organisms and systems
- birth control — Birth control means planning whether to have children, and using contraception to prevent having them when they are not wanted.
- black country — a district in the English Midlands, around Birmingham: so called from the soot and grime produced by the many local industries.
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- body-centered — (of a crystal structure) having lattice points at the centers of the unit cells.
- boston rocker — a type of 19th-cent. American rocking chair, having a curved wooden seat and a high back formed of spindles held in place by a broad headpiece
- bromocriptine — a dopamine agonist drug which blocks the release of prolactin from the pituitary gland, used in the treatment of Parkinson's disease
- bronchiolitis — a condition in which the small airways in the lungs become inflamed by a virus. It is most common in infants, who become breathless in severe cases. Recurrent attacks may lead to asthma