13-letter words containing a, t, r, i, s
- gram-positive — (of bacteria) retaining the violet dye when stained by Gram's method.
- grandad shirt — a long-sleeved collarless shirt
- grandstanding — the main seating area of a stadium, racetrack, parade route, or the like, usually consisting of tiers with rows of individual seats.
- granite state — New Hampshire (used as a nickname).
- grants-in-aid — a subsidy furnished by a central government to a local one to help finance a public project, as the construction of a highway or school.
- grantsmanship — skill in securing grants, as for research, from federal agencies, foundations, or the like.
- gravity scale — a scale giving the relative density of fluids
- great basinet — a basinet having a beaver permanently attached.
- great grimsby — seaport in Humberside, NE England, at the mouth of the Humber estuary: county district pop. 91,000
- great russian — a member of the main stock of the Russian people, dwelling chiefly in the northern or central parts of the Russian Federation in Europe.
- great society — the goal of the Democratic Party under the leadership of President Lyndon B. Johnson, chiefly to enact domestic programs to improve education, provide medical care for the aged, and eliminate poverty.
- greater siren — a salamander, Siren lacertina, having external gills, tiny front legs, and no hind legs, inhabiting shallow waters in the southeastern U.S.
- guard against — prevent
- gunters-chain — a series of objects connected one after the other, usually in the form of a series of metal rings passing through one another, used either for various purposes requiring a flexible tie with high tensile strength, as for hauling, supporting, or confining, or in various ornamental and decorative forms.
- gyromagnetism — the condition or state of being gyromagnetic
- haemarthrosis — Alternative form of hemarthrosis.
- hainan strait — a strait between Hainan island and Leizhou peninsula. 50 miles (81 km) long; 15 miles (24 km) wide.
- hair restorer — a lotion claimed to promote hair growth
- hairsplitting — the making of unnecessarily fine distinctions.
- hard standing — a hard-surfaced area on which heavy vehicles or airplanes can be parked.
- harmonisation — (British spelling) alternative spelling of harmonization.
- harness hitch — a hitch forming a loop around a rope, especially one formed at the end of a bowline.
- haruspication — the use of animal entrails for divination
- harvest index — a measurement of crop yield: the weight of a harvested product as a percentage of the total plant weight of a crop.
- hazard lights — Usually, hazard lights. an indicator light on a vehicle that flashes to warn that it is unexpectedly slowing down, reversing, or not moving.
- head register — the high register of the human voice.
- headmistressy — typical of the duties and behaviour of a headmistress
- heart disease — any condition of the heart that impairs its functioning.
- heartsickness — The condition of being heartsick.
- heartstopping — Very exciting or shocking, as though to cause one's heart to skip beats.
- heartstricken — Shocked; dismayed.
- hecate strait — a strait in central British Columbia, Canada, between the mainland and the Queen Charlotte Islands. 160 miles (257 km) long and 40–80 miles (64–129 km) wide.
- hellgrammites — Plural form of hellgrammite (Alternative spelling of hellgramites).
- hemichordates — Plural form of hemichordate.
- hemiparasitic — Semiparasitic.
- hereditaments — Plural form of hereditament.
- hereditarians — Plural form of hereditarian.
- heritage site — a historical site, a building, or an area of the unspoilt natural environment, considered to be important to a country or area's heritage
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroic stanza — elegiac stanza.
- heteroblastic — (of a plant or plant part) showing a marked difference in form between the juvenile and the adult structures
- heteroglossia — (linguistics) the coexistence of distinct varieties within a single linguistic code.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- heuristically — serving to indicate or point out; stimulating interest as a means of furthering investigation.
- hiatus hernia — an abnormal condition in which part of the stomach protrudes upward through the esophageal cleft in the diaphragm, sometimes causing a backflow of acid stomach contents into the esophagus.
- hilbert space — a complete infinite-dimensional vector space on which an inner product is defined.
- hippo zarytus — ancient name of Bizerte.
- histaminergic — releasing histamine
- histogramming — (mathematics) The construction of histograms.
- home straight — the section of a racecourse forming the approach to the finish