12-letter words containing um
- original gum — See o.g (def 1).
- ornithogalum — any plant of the genus Ornithogalum
- osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.
- out of humor — a comic, absurd, or incongruous quality causing amusement: the humor of a situation.
- out of plumb — not vertical
- outnumbering — Present participle of outnumber.
- oval kumquat — a spineless shrub or small citrus tree, Fortunella margarita, of China, having oval-shaped, orange-yellow fruit with sweet and acid flesh.
- overconsumed — Simple past tense and past participle of overconsume.
- overdocument — to document excessively
- paludamentum — a cloak worn by officials and military officers of ancient Rome, especially during wartime.
- panhellenium — an institution founded by the Roman Emperor Hadrian idealizing Greece's Classical history
- pax vobiscum — peace be with you
- pericementum — periodontal membrane.
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- perinephrium — the capsule of connective tissue that envelops the kidney.
- periodontium — the bone, connective tissue, and gum surrounding and supporting a tooth.
- perionychium — the epidermis surrounding the base and sides of a fingernail or toenail.
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- periselenium — the closest point of the orbit of a spacecraft to the moon
- phillumenist — a collector of matchbooks and matchboxes.
- phone number — of individual, business
- pityrosporum — a genus of fungi that live on the skin, esp that of the scalp and face, present in conditions such as dandruff and dermatitis
- pleiochasium — a flowering system in which several buds come out at the same time
- plenum cable — (hardware) Cable that can be (legally) installed in the plenum (the space between a ceiling and the floor above it). Such cable is (usually) teflon-coated so that it will not give off toxic fumes when burned. In some parts of the world such cable is required by law.
- plum pudding — a rich steamed or boiled pudding containing raisins, currants, citron, spices, etc.
- plumbaginous — containing graphite.
- plumbiferous — yielding or containing lead.
- plumulaceous — having the texture of down.
- pneumaticity — the condition of being pneumatic
- pneumatocyst — the cavity of a pneumatophore.
- pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
- pneumococcal — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pneumococcus — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- pneumography — the process of recording the movements of the thorax in respiration.
- pneumonology — the study of the respiratory system
- pneumothorax — the presence of air or gas in the pleural cavity.
- pneumotropic — directed toward or having an affinity for lung tissue.
- poison sumac — a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
- postconsumer — noting or pertaining to a product after it has been used and recycled: a chair made of postconsumer plastic.
- posthumously — arising, occurring, or continuing after one's death: a posthumous award for bravery.
- postliminium — postliminy.
- pouilly-fume — a dry, white wine from the Loire Valley of France.
- power vacuum — a situation when a government has no identifiable central authority
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- premium bond — In Britain, premium bonds are numbered tickets that are sold by the government. Each month, a computer selects several numbers, and the people whose tickets have those numbers win money.
- premium deal — a commercial transaction in which a special incentive or bonus is offered
- premium fuel — fuel or gasoline which has a higher octane value and is more expensive than standard fuel
- premium loan — a loan made by a life-insurance company in order that a policyholder may pay the due premium, the cash value on the policy serving as security.
- premium-rate — (relating to telephone calls) charged at a higher than standard rate