13-letter words containing s, t, r, a
- harvest index — a measurement of crop yield: the weight of a harvested product as a percentage of the total plant weight of a crop.
- harvest mouse — an Old World field mouse, Micromys minutus, that builds a spherical nest among the stems of grains and other plants.
- harvester ant — any of several red or black ants, especially of the genus Pogonomyrmex, of the southwestern U.S., that feed on and store the seeds of grasses.
- 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
- health resort — spa
- heart disease — any condition of the heart that impairs its functioning.
- heart massage — rhythmic manual compression of the sternum or heart to restore normal heartbeat, as after cardiac arrest.
- heart starter — the first drink of the day
- heart surgeon — a surgeon who specializes in performing operations on the heart
- heart surgery — operation to treat cardiac problems
- heartbreakers — Plural form of heartbreaker.
- heartfeltness — The state or quality of being heartfelt.
- heartlessness — The characteristic of being heartless.
- heartsickness — The condition of being heartsick.
- heartstopping — Very exciting or shocking, as though to cause one's heart to skip beats.
- heartstricken — Shocked; dismayed.
- heat transfer — Heat transfer is the movement of heat from one substance or material to another.
- 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
- heterocarpous — (of a plant) producing more than one type of fruit
- heterogametes — Plural form of heterogamete.
- heteroglossia — (linguistics) the coexistence of distinct varieties within a single linguistic code.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- heterosexuals — Plural form of heterosexual.
- heterostracan — any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates.
- 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.
- holy saturday — the Saturday in Holy Week.
- holy thursday — Ascension Day.
- home straight — the section of a racecourse forming the approach to the finish
- hoosier state — Indiana (used as a nickname).
- horse gentian — any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse trailer — lorry for transporting a horse
- horse-trading — to bargain or trade shrewdly.
- horsefeathers — (used with a singular or plural verb) something not worth considering.