13-letter words containing o, s, t, r
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- anfractuosity — the condition or quality of being anfractuous
- Ångstrom unit — a unit of length equal to 10 −10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- anisometropia — an imbalance in the power of the two eyes to refract light
- anisometropic — relating to anisometropia
- another-guess — of another kind.
- antenniferous — having antennae
- anthroposcopy — physiognomy (def 2).
- anthroposophy — the spiritual and mystical teachings of Rudolph Steiner, based on the belief that creative activities such as myth making, which formed a part of life in earlier times, are psychologically valuable, esp for educational and therapeutic purposes
- anticorrosion — the prevention or counteracting of corrosion
- anticorrosive — preventing corrosion
- antielectrons — Plural form of antielectron.
- antiformalist — opposed to formalism
- antimodernism — modern character, tendencies, or values; adherence to or sympathy with what is modern.
- antimodernist — opposed to modernism
- antineutrinos — Plural form of antineutrino.
- antioestrogen — a drug that inhibits the activity of oestrogens
- antipersonnel — (of weapons, etc) designed to cause casualties to personnel rather than to destroy equipment or defences
- antiphonaries — Plural form of antiphonary.
- antirecession — acting against recession
- antireformers — Plural form of antireformer.
- antireligious — opposed to religious ideas, beliefs, and organizations
- 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.
- antiterrorism — opposed to or acting against terrorism; counterterrorist
- antiterrorist — relating to measures, policies, or organizations designed to combat terrorist activity
- apatosauruses — Plural form of apatosaur.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- apocryphalist — A member of the group who supported the inclusion of the Apocrypha in the Bible.
- apogeotropism — negative geotropism, as shown by plant stems
- apostrophized — Simple past tense and past participle of apostrophize.
- apostrophizes — Third-person singular simple present indicative form of apostrophize.
- appeals court — An appeals court is the same as an appellate court.
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- appoggiaturas — Plural form of appoggiatura.
- appreciations — Plural form of appreciation.
- approach shot — a shot made to or towards the green after a tee shot
- appropriators — Plural form of appropriator.
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- arachnoiditis — an inflammation of the arachnoid membrane
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- arcticologist — a person who specializes in arcticology.
- argentiferous — containing or bearing silver
- aristocracies — Plural form of aristocracy.
- aristocratism — the principles of aristocrats
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.