12-letter words containing u, f, o
- herpetofauna — the reptiles and amphibians that inhabit a given area
- hexafluoride — a fluoride containing six atoms of fluorine.
- hohenstaufen — a member of the royal family that ruled in Germany from 1138 to 1208 and from 1215 to 1254, and in Sicily from 1194 to 1266.
- hold out for — to wait patiently or uncompromisingly for (the fulfilment of one's demands)
- honey fungus — an edible basidiomycetous fungus, Armillaria mellea, having a yellow-spotted cap and wrinkled stems, parasitic on the roots of woody plants, which it may kill by root rot. It spreads by thin black underground strands
- house of god — Also called house of worship, house of prayer. a building devoted to religious worship; a church, synagogue, temple, chapel, etc.
- housefathers — Plural form of housefather.
- hua guo feng — 1921–2008, Chinese Communist statesman; prime minister of China 1976–80
- huffman code — Huffman coding
- humification — the formation of humus.
- hydrofluoric — of or derived from hydrofluoric acid.
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulfide — a compound containing the univalent group –HS.
- hydrosulfite — hyposulfite (def 1).
- hypofunction — abnormally diminished function, especially of glands or other organs.
- ichthyofauna — the indigenous fish of a region.
- ill-favoured — unpleasant in appearance; homely or ugly.
- in course of — in the process of
- in favour of — If one thing is rejected in favour of another, the second thing is done or chosen instead of the first.
- in full flow — Someone who is in full flow is talking easily and continuously and seems likely to go on talking for some time.
- in honour of — If something is arranged in honour of a particular event, it is arranged in order to celebrate that event.
- in your face — involving confrontation; defiant; provocative.
- in-your-face — involving confrontation; defiant; provocative.
- inclusive of — including; taking into account
- inconfutable — (obsolete) Not confutable.
- infamousness — The state or quality of being infamous; infamy.
- infatuations — Plural form of infatuation.
- infectiously — communicable by infection, as from one person to another or from one part of the body to another: infectious diseases.
- infelicitous — inapt, inappropriate, or awkward; malapropos: an infelicitous remark.
- infibulation — the stitching together of the vulva, often after a clitoridectomy, leaving a small opening for the passage of urine and menstrual blood.
- infraduction — (medicine) The turning downward of a part, especially of the eye.
- ink fountain — the part of a printing press that stores ink and feeds it to the rollers.
- insufflation — to blow or breathe (something) in.
- iron foundry — ironworks, forgery
- iron sulfate — ferrous sulfate.
- jaculiferous — having dartlike spines.
- joule effect — the generation of heat by the passage of electricity through a resistance.
- jugal furrow — (in certain insects) the crease, between the anal and jugal veins, along which the wing folds.
- juiz de fora — a city in SE Brazil, N of Rio de Janeiro.
- junction fet — Junction Field Effect Transistor
- jury foreman — a member of a jury in a court of law who is chosen by the other members to act as spokesperson for the jury
- juventa fons — an area in the southern hemisphere of Mars, appearing as a dark region when viewed through a telescope.
- labour force — The labour force consists of all the people who are able to work in a country or area, or all the people who work for a particular company.
- laticiferous — bearing or containing latex.
- leaf through — one of the expanded, usually green organs borne by the stem of a plant.
- life support — equipment to sustain a patient's life
- life-support — of or relating to equipment or measures that sustain or artificially substitute for essential body functions, as breathing or disposal of body wastes: Without life-support equipment, the patient might die.
- ligulifloral — having strap-shaped flowers
- liquefaction — the act or process of liquefying or making liquid.
- loathfulness — (rare) The condition of being loathful; reluctance.