13-letter words containing no
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- impignoration — the state of being mortgaged
- in sb's honor — If something is arranged or happens in someone's honor, it is done specially to show appreciation of them.
- inclinometers — Plural form of inclinometer.
- incognoscible — (rare, dated) Not capable of being known; incomprehensible.
- indolequinone — (chemistry) Any of a class of molecules based upon an indole but with two additional ketone groups (quinone) attached to the ring structure.
- innocent viii — (Giovanni Battista Cibò) 1432–92, Italian ecclesiastic: pope 1484–92.
- innocent xiii — (Michelangelo Conti) 1655–1724, Italian ecclesiastic: pope 1721–24.
- innocuousness — not harmful or injurious; harmless: an innocuous home remedy.
- inobservation — lack of observation
- inobtrusively — in an unobtrusive manner
- inodorousness — the quality of being inodorous
- inoffensively — In an inoffensive manner.
- inoperational — Not operational.
- inopportunely — In an inopportune manner.
- inopportunity — not opportune; inappropriate; inconvenient; untimely or unseasonable: an inopportune visit.
- inorganically — In an inorganic manner.
- insulinogenic — Promoting the production of insulin.
- intravenously — through or within a vein. Abbreviation: IV.
- inverted snob — a person who scorns the conventions or attitudes of his own class or social group by attempting to identify with people of a supposedly lower class
- iopanoic acid — an acid containing iodine that is opaque to X-rays
- isochronously — In an isochronous manner.
- isoproterenol — a beta-adrenergic receptor agonist, C 11 H 17 NO 3 , used as a bronchodilator.
- jamon serrano — a variety of Spanish cured ham
- jejunostomies — Plural form of jejunostomy.
- johnson noise — thermal background noise in a radio receiver
- joint honours — an honours university degree in which a student studies two separate subjects, as opposed to a single subject
- judgment note — Law. a note that expressly authorizes a creditor, in case of default, to seek a judgment in court without notifying the debtor.
- jus canonicum — canon law.
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.
- keratinocytes — Plural form of keratinocyte.
- knobcone pine — a pine, Pinus attenuata, of the Pacific coast of the U.S., bearing cones with knoblike scales.
- knock on wood — the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem.
- knocking copy — advertising or publicity material designed to denigrate a competing product
- know by heart — have memorized
- know by sight — the power or faculty of seeing; perception of objects by use of the eyes; vision.
- know-nothings — an ignorant or totally uninformed person; ignoramus.
- knowledgeable — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- knowledgeably — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- knowledgebase — Alternative spelling of knowledge base.
- knowledgeless — acquaintance with facts, truths, or principles, as from study or investigation; general erudition: knowledge of many things.
- knox-johnston — Sir Robin (William Robert Patrick). born 1939, British yachtsman. He was the first to sail round the world alone nonstop (1968–69)
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- ladino clover — a giant variety of white clover, Trifolium repens lodigense, used for pasture and hay.
- lake onondaga — a salt lake in central New York State. Area: about 13 sq km (5 sq miles)
- lap of honour — If the winner of a race or game does a lap of honour, they run or drive slowly around a race track or sports field in order to receive the applause of the crowd.
- lead monoxide — litharge.
- lecture notes — notes that are taken by someone attending a lecture
- linoleic acid — an unsaturated fatty acid, C 18 H 32 O 2 , occurring as a glyceride in drying oils, as in linseed oil.
- little casino — the two of spades.