15-letter words containing a, m, l
- nonmetropolitan — Not metropolitan.
- nonmucilaginous — Not mucilaginous.
- nonsedimentable — incapable of being sedimented
- nonsimultaneous — existing, occurring, or operating at the same time; concurrent: simultaneous movements; simultaneous translation.
- normally-closed — Normally-closed switch contacts are in a closed state at rest.
- numismatologist — One versed in numismatology.
- obituary column — the division of a publication reserved for obituaries
- official family — the executives or officials chiefly responsible for the operation of an organization or government.
- old clothes man — a person who deals in second-hand clothes
- old father time — time personified
- old high german — High German before 1100. Abbreviation: OHG.
- old man's beard — fringe tree.
- old-man's-beard — fringe tree.
- old-man-the-sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.
- oligomerisation — Alternative spelling of oligomerization.
- oligomerization — (chemistry) The formation of an oligomer from a monomer.
- omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- one-dimensional — having one dimension only.
- onomasiological — the study of the means of expressing a given concept.
- ophthalmologist — a doctor of medicine specializing in ophthalmology.
- ophthalmophobia — the fear of being stared at
- ophthalmoplegia — Paralysis of the muscles within or surrounding the eye.
- ophthalmoscopes — Plural form of ophthalmoscope.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- opus anglicanum — fine embroidery, esp of church vestments, produced in England c.1200–c.1350; characterized by the rich materials used, esp silver gilt thread
- orange milkweed — butterfly weed (def 1).
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- organomercurial — an organic compound containing mercury
- over-compliance — the act of conforming, acquiescing, or yielding.
- overdraft limit — a limit on the amount of money allowed to be withdrawn in excess of the credit balance of a bank or building society account
- overemotionally — In an overemotional manner.
- overfamiliarity — The state of being overfamiliar.
- overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- palaeolimnology — the study of ancient lake ecologies
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
- palindromically — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- pamprodactylous — having all four toes directed forward, as in swifts and colies.
- panophthalmitis — the inflammation of all eye tissue
- paperbark maple — a shrub or tree, Acer griseum, native to China, cultivated for its attractive papery brownish bark.
- parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
- parliamentarian — a person who is expert in the formal rules and procedures of deliberative assemblies and other formal organizations.
- parliamentarily — in a parliamentary manner
- paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
- payment holiday — a break taken from paying ( a debt etc) back
- pectoral muscle — muscle of the chest