12-letter words that end in al
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- orographical — relating to the study of mountains
- orthopedical — (American spelling) Alternative form of orthopaedical.
- osteological — Of or relating to osteology.
- overcritical — excessively critical; hypercritical.
- package deal — Also called package plan. an agreement in which the buyer pays a stipulated price for a group of related products or services: a package deal from a book club.
- paleoliberal — a person advocating a more extreme form of liberalism, especially in politics.
- paleological — the study of antiquities.
- panama canal — a canal extending SE from the Atlantic to the Pacific across the Isthmus of Panama. 40 miles (64 km) long.
- para-medical — related to the medical profession in a secondary or supplementary capacity.
- paradisaical — paradisiacal.
- paradisiacal — of, like, or befitting paradise.
- parent metal — the metal of components that are being welded by a molten filler metal
- paroccipital — of or relating to the part of the skull next to the mastoid process; paramastoid
- party animal — person who frequents drinking parties
- pathological — of or relating to pathology.
- patrilateral — related through the father.
- penalty goal — a goal scored as a result of a penalty
- pentateuchal — the first five books of the Old Testament: Genesis, Exodus, Leviticus, Numbers, and Deuteronomy.
- perceptional — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- percussional — of or relating to percussion
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perimetrical — the border or outer boundary of a two-dimensional figure.
- perivisceral — surrounding or situated about the viscera.
- perorational — of, pertaining to, or characteristic of a peroration
- perspectival — a technique of depicting volumes and spatial relationships on a flat surface. Compare aerial perspective, linear perspective.
- pestilential — producing or tending to produce pestilence.
- pestological — relating to pestology
- phantasmical — pertaining to or of the nature of a phantasm; unreal; illusory; spectral: phantasmal creatures of nightmare.
- phenotypical — the observable constitution of an organism.
- phonological — relating to study of speech sounds
- pilot signal — a signal, as a flag or light, used to request a pilot.
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- planetesimal — one of the small celestial bodies that, according to one theory (planetesimal hypothesis) were fused together to form the planets of the solar system.
- platitudinal — platitudinous.
- pluriliteral — (in Hebrew grammar) containing more than three letters in the root
- pneumococcal — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- polyarchical — a form of government in which power is vested in three or more persons.
- populational — the total number of persons inhabiting a country, city, or any district or area.
- porismatical — porismatic
- possessional — of, relating to, or characterized by possession
- post-glacial — after a given glacial epoch, especially the Pleistocene.
- postbiblical — occurring after the events written about in the Bible, occurring after the Bible was written
- postbrachial — belonging to the arm, foreleg, wing, pectoral fin, or other forelimb of a vertebrate.
- postcolonial — of or relating to the period following a state of colonialism.
- postdiluvial — existing or occurring after the biblical Flood
- postdoctoral — of or relating to study or professional work undertaken after the receipt of a doctorate: postdoctoral courses.
- posthospital — following treatment in a hospital
- postimperial — of, relating to, or designating the period after an empire
- postmedieval — occurring or existing after the Middle Ages, of or related to the period after the Middle Ages