13-letter words containing p, a, l, i, n, o
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- optical crown — an optical glass of low dispersion and relatively low refractive index. It is used in the construction of lenses
- optical flint — an optical glass of high dispersion and high refractive index containing lead oxide. They are used in the manufacture of lenses, artificial gems, and cut glass
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- outmanipulate — to surpass in manipulation
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- over-planning — a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans.
- overpedalling — the overuse of the piano's pedals
- overpotential — overvoltage.
- ovipositional — pertaining to the laying of eggs through an ovipositor
- paddling pool — A paddling pool is a shallow artificial pool for children to paddle in.
- paleomagnetic — Geology. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified.
- paleosiberian — a group of languages comprising those languages of Siberia that are not affiliated with Indo-European, Altaic, Uralic, or Eskimo-Aleut and including the Chukotian family and the unrelated language isolates Ket, Nivkh, and Yukaghir; Paleo-Asiatic.
- palletization — to place (materials) upon pallets for handling or moving.
- palmification — the fertilization of date palms artificially
- pamlico sound — a sound between the North Carolina mainland and coastal islands.
- pandiculation — the act of stretching oneself.
- panleucopenia — a viral disease of cats marked by a deficiency of white blood cells
- panleukopenia — distemper1 (def 1c).
- pantheologist — a student of, or expert in, pantheology
- paralipomenon — Chronicles.
- paranormality — the state of being paranormal
- parietal bone — either of a pair of membrane bones forming, by their union at the sagittal suture, part of the sides and top of the skull.
- parotid gland — Also called parotid gland. a salivary gland situated at the base of each ear.
- partitionable — a division into or distribution in portions or shares.
- passionflower — any chiefly American climbing vine or shrub of the genus Passiflora, having showy flowers and a pulpy berry or fruit that in some species is edible.
- patronizingly — displaying or indicative of an offensively condescending manner: a patronizing greeting, accompanied by a gentle pat on the pack.
- pavilion roof — a pyramidal hip roof.
- pearl molding — a molding having the form of a row of pearls.
- pedicellation — having a pedicel or pedicels.
- pelletization — the act of forming or shaping into pellets
- peloponnesian — a peninsula forming the S part of Greece: seat of the early Mycenaean civilization and the powerful city-states of Argos, Sparta, etc. 8356 sq. mi. (21,640 sq. km).
- penalty point — an endorsement on a driving licence due to a motoring offence
- pencil crayon — coloured pencil
- peneplanation — an area reduced almost to a plain by erosion.
- pentobarbital — a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.
- peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
- perambulation — to walk through, about, or over; travel through; traverse.
- perchlorinate — to combine with the maximum proportion of chlorine.
- perditionable — deserving perdition or damnation
- periodontally — with respect to periodontal tissue
- peritonealize — to cover with peritoneum.
- perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
- persian melon — a round variety of muskmelon having a green, reticulate, unribbed rind and orange flesh.
- personalistic — Also called personal idealism. a modern philosophical movement locating ultimate value and reality in persons, human or divine.
- personalities — the visible aspect of one's character as it impresses others: He has a pleasing personality.
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phenomenalism — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phenomenality — highly extraordinary or prodigious; exceptional: phenomenal speed.