13-letter words containing no
- arachnoiditis — an inflammation of the arachnoid membrane
- arachnophobia — an abnormal fear of spiders
- arachnophobic — an abnormal or pathological fear of spiders.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arteriovenous — of, relating to, or affecting an artery and a vein
- as we know it — If you talk about a thing or system as we know it, you are referring to the form in which it exists now and which is familiar to most people.
- 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)
- astereognosis — inability to recognize objects by touch
- 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
- autochthonous — (of rocks, deposits, etc) found where they and their constituents were formed
- autonomically — autonomous.
- baba ghanoush — a thick purée of aubergines, tahini, olive oil, lemon juice, and garlic, originating in North Africa and the Mediterranean
- be nothing to — not to concern or be significant to (someone)
- bernoulli box — (storage) A high capacity storage device, Iomega Corporation's first popular product, that spins a mylar disk over a read-write head using the Bernoulli principle.
- bignoniaceous — of, relating to, or belonging to the Bignoniaceae, a chiefly tropical family of trees, shrubs, and lianas, including jacaranda, bignonia, and catalpa
- biotechnology — Biotechnology is the use of living parts such as cells or bacteria in industry and technology.
- black economy — The black economy consists of the buying, selling, and producing of goods or services that goes on without the government being informed, so that people can avoid paying tax on them.
- boris godunov — Boris Fedorovich [bawr-is fi-dawr-uh-vich,, bohr-,, bor-;; Russian buh-ryees fyaw-duh-ruh-vyich] /ˈbɔr ɪs fɪˈdɔr ə vɪtʃ,, ˈboʊr-,, ˈbɒr-;; Russian bʌˈryis ˈfyɔ də rə vyɪtʃ/ (Show IPA), 1552–1605, regent of Russia 1584–98 and czar 1598–1605.
- bourguignonne — Burgundy (def 5).
- bûche de noël — a French Christmas cake made from a thin layer of spongecake that is rolled up and frosted so as to resemble a decorative Yule log
- buenas noches — good night
- bufadienolide — any of a family of steroid lactones, occurring in toad venom and squill, that possess cardiac-stimulating and antitumor activity.
- buprenorphine — an opiate used medicinally as a powerful analgesic
- butanoic acid — kind of acid
- butyrophenone — a drug used to treat psychiatric disorders
- cacophonously — In a cacophonous manner.
- cainotophobia — Alternative form of cainophobia.
- campanologist — the principles or art of making bells, bell ringing, etc.
- cannon fodder — If someone in authority regards people they are in charge of as cannon fodder, they do not care if these people are harmed or lost in the course of their work.
- cannonballing — Present participle of cannonball.
- canon regular — a clergyman of certain religious communities following a monastic rule
- canonical age — the age specified by canon law when a person becomes eligible to participate in a certain rite or hold a certain office.
- capsaicinoids — Plural form of capsaicinoid.
- carcinologist — a person who specializes in carcinology
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- carcinophobia — Inordinate dread of contracting cancer.
- carias andino — Tiburcio [tee-voor-syaw] /tiˈvur syɔ/ (Show IPA), 1876–1968, Honduran lawyer, soldier, and statesman: president 1933–49.
- carnot engine — an engine using a Carnot cycle of operations.
- cartilaginous — of or like cartilage; gristly
- cartiliginous — Alternative form of cartilaginous.
- cerumenolysis — (medicine) The process of softening cerumen (earwax) for removal.
- cerumenolytic — (pharmacology) A chemical that softens or removes cerumen (earwax).
- changing-note — cambiata.
- chemotaxonomy — the taxonomy of species of organisms based on biochemical characteristics
- chile relleno — a Mexican dish of a green chile, usually hot, stuffed as with cheese or a meat mixture, then breaded and fried and served usually with a sauce
- chili relleno — chile relleno
- chloroxylenol — (chemistry) A compound with the chemical formula C8H9ClO, commonly used in antibacterial soaps and toxic to fish.
- chronobiology — the branch of biology concerned with the periodicity occurring in living organisms
- chronographic — a timepiece fitted with a recording device, as a stylus and rotating drum, used to mark the exact instant of an occurrence, especially in astronomy.
- chronokinesis — (science fiction) The ability to manipulate time relevant to oneself.