13-letter words containing h, y, g, i
- phyllogenetic — of or relating to the development of leaves.
- physiognomies — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- physiographic — the science of physical geography.
- physiological — of or relating to physiology.
- physostigmine — an alkaloid, C 1 5 H 2 1 N 3 O 2 , used in the treatment of Alzheimer's disease to raise the level of the neurotransmitter acetylcholine and also as a miotic in glaucoma.
- plagiocephaly — a deformity of the skull in which one side is more developed in the front, and the other side is more developed in the rear.
- plain yoghurt — natural yoghurt, without added flavouring
- playwrighting — the writing of plays
- polygamophile — a person who approves of or countenances polygamy, especially as practiced by others.
- psychobiology — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- psychogenesis — genesis of the psyche.
- psychogenetic — genesis of the psyche.
- psychographic — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychological — of or relating to psychology.
- psychotogenic — a substance that causes a psychotic reaction.
- pythian games — (in ancient Greece) the second most important Panhellenic festival, celebrated in the third year of each Olympiad near Delphi. The four-year period between celebrations was known as a Pythiad (ˈpɪθɪˌæd )
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- rayleigh disk — a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.
- rayleigh wave — a wave along the surface of a solid, elastic body, especially along the surface of the earth.
- remythologize — to mythologize anew, to make a new mythological system out of (an existing one)
- rheologically — in a rheological manner
- rhyming slang — a form of slang in which a rhyming word or phrase is substituted for the word intended, as Kate and Sidney for steak and kidney or khaki rocks for army socks.
- rhythm guitar — a guitar used to provide rhythm, particularly during a musical ensemble
- right you are — If someone says 'right you are', they are agreeing to do something in a very willing and happy way.
- right-justify — If printed text is right-justified, each line finishes at the same distance from the right-hand edge of the page or column.
- rising rhythm — a rhythmic pattern created by a succession of metrical feet each of which is composed of one accented syllable preceded by one or more unaccented ones.
- sand-yachting — the sport of riding in a sand yacht
- seventy-eight — a cardinal number, 70 plus 8.
- shaking palsy — Parkinson's disease.
- shunting yard — a place where railway coaches are manoeuvred
- singing hinny — a type of currant cake popular in NE England which, when cooked on a griddle, makes a singing noise
- sleep hygiene — the habits conducive to getting the right amount and quality of sleep
- sphingomyelin — any of the class of phospholipids occurring chiefly in the brain and spinal cord, composed of phosphoric acid, choline, sphingosine, and a fatty acid.
- spiny dogfish — any of several dogfish sharks of the genus Squalus, having a spine in front of each of the two dorsal fins, especially S. acanthias, inhabiting Atlantic coastal waters.
- spying charge — an accusation of having taken part in espionage
- straight away — immediately
- string theory — a slender cord or thick thread used for binding or tying; line.
- styling brush — a hairbrush used to style or neaten hair
- synchronizing — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
- synthesis gas — any of several gaseous mixtures consisting essentially of carbon monoxide and hydrogen, used in the synthesis of chemical compounds, as ammonia and alcohols.
- the night sky — the sky as it appears at night time
- theologically — of, relating to, or involved with theology: a theological student.
- thirty-eighth — next after the thirty-seventh; being the ordinal number for 38.
- threateningly — tending or intended to menace: threatening gestures.
- thyroglobulin — a protein which is found in the thyroid gland and which contains iodine
- thyroid gland — a two-lobed endocrine gland, located at the base of the neck that secretes two hormones that regulate the rates of metabolism, growth, and development.
- timothy grass — a coarse grass, Phleum pratense, having cylindrical spikes, used as fodder.
- tread lightly — to proceed with delicacy or tact
- trigger happy — ready to fire a gun at the least provocation, regardless of the situation or probable consequences: a trigger-happy hunter.
- trigger-happy — ready to fire a gun at the least provocation, regardless of the situation or probable consequences: a trigger-happy hunter.