13-letter words containing s, p, e, a
- antisepticise — to render antiseptic
- antisepticism — the treatment of sepsis using antiseptics
- antisepticize — to treat with an antiseptic
- apatosauruses — Plural form of apatosaur.
- aperture mask — a perforated metal plate situated behind the faceplate of a color television picture tube and having holes aligned to insure that each of three electron beams strikes only its corresponding red, green, or blue phosphor dot.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- apicomplexans — Plural form of apicomplexan.
- apogeotropism — negative geotropism, as shown by plant stems
- apologeticism — An instance of the use of apologetics.
- apostle plant — a plant, Neomarica northiana, of the iris family, native to Brazil, having large, fragrant white and violet flowers, and often cultivated as a houseplant.
- apostle spoon — a silver spoon with a figure of one of the Apostles on the handle
- apostolic age — the earliest period of Christianity, lasting through the death of the last apostle.
- apostolic see — the see of the pope regarded as the successor to Saint Peter
- apostrophized — Simple past tense and past participle of apostrophize.
- apostrophizes — Third-person singular simple present indicative form of apostrophize.
- apothegmatise — to speak in apothegms
- apotheosizing — Present participle of apotheosize.
- appealingness — the quality of being appealing
- 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.
- apple blossom — the blossom of an apple tree
- appreciations — Plural form of appreciation.
- apprehensible — capable of being comprehended or grasped mentally
- apprehensibly — In an apprehensive manner; cautiously.
- apprehensions — Plural form of apprehension.
- appurtenances — accessories or equipment
- april showers — showers falling in April, generally considered a showery month
- aptitude test — An aptitude test is a test that is specially designed to find out how easily and how well you can do something.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archipelagoes — Plural form of archipelago.
- arthroscopies — Plural form of arthroscopy.
- as it happens — You use as it happens in order to introduce a statement, especially one that is rather surprising.
- as opposed to — You use as opposed to when you want to make it clear that you are talking about one particular thing and not something else.
- as you please — You can use as you please in expressions such as bold as you please or casually as you please or charming as you please in order to emphasize what you are saying.
- ascoli piceno — a town in E central Italy, in the Marches: capital of the Roman province of Picenum; site of the massacre of all its Roman citizens in the Social War in 90 bc. Pop: 51 375 (2001)
- asexual spore — a spore that is the result of asexual reproduction
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- asphalt paper — paper treated with asphalt, as to increase toughness or water resistance.
- associateship — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- asthenosphere — a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement
- asti spumante — a sweet, sparkling Italian white wine with a muscat flavor.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atypicalities — not typical; not conforming to the type; irregular; abnormal: atypical behavior; a flower atypical of the species.
- austrian pine — an evergreen tree, Pina nigra austriaca
- autocephalous — (of an Eastern Christian Church) governed by its own national synods and appointing its own patriarchs or prelates
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- average speed — a scalar measure of the rate of movement of a body expressed as the distance travelled divided by the time taken
- awe-inspiring — If you describe someone or something as awe-inspiring, you are emphasizing that you think that they are remarkable and amazing, although sometimes rather frightening.