12-letter words containing h, i, l
- hearing loss — diminished ability to hear
- hearteningly — In a heartening way; cheeringly.
- heath family — the plant family Ericaceae, characterized by evergreen or deciduous shrubs, trees, and woody plants growing in acid soil and having simple leaves, often showy flowers either solitary or in clusters, and fruit in the form of a berry or capsule, and including the azalea, blueberry, cranberry, heather, madrone, mountain laurel, rhododendron, and trailing arbutus.
- heating bill — a bill for the supply of energy to heat a building
- heavenliness — (uncountable) The state or quality of being heavenly.
- hedge garlic — an erect, cruciferous herb, Sisymbrium officinale, having a garlicky odor.
- hedge laying — the art or practice of making or maintaining a hedge by cutting branches partway through, laying them horizontally, and pegging them in position in order to create a strong thick hedge
- heeling tank — either of two lateral ballast tanks permitting an icebreaker to heel and crush ice to either side.
- heffelfinger — William Walter ("Pudge") 1867–1954, U.S. football player.
- heilongjiang — a province in NE China, S of the Amur River. 108,880 sq. mi. (281,999 sq. km). Capital: Harbin.
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- helianthemum — (botany) Any of the genus Helianthemum of rockroses.
- helianthuses — Plural form of helianthus.
- helical gear — a cylindrical gear wheel whose teeth follow the pitch surface in a helical manner.
- helical rack — a rack having teeth set at an oblique angle to the edges. Compare rack1 (def 5).
- helical scan — denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix
- helichrysums — Plural form of helichrysum.
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- helicoptered — Simple past tense and past participle of helicopter.
- heliocentric — measured or considered as being seen from the center of the sun.
- heliogabalus — (Varius Avitus Bassianus"Marcus Aurelius Antoninus") a.d. 204–222, Roman emperor 218–222.
- heliographed — Simple past tense and past participle of heliograph.
- heliographer — (obsolete) Photographer.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliogravure — photoengraving.
- heliophilous — attracted to sunlight
- heliospheric — Of or pertaining to the heliosphere.
- heliotherapy — treatment of disease by means of sunlight.
- heliotropism — heliotropic tendency or growth.
- helium flash — the explosive burning of helium in the case of a star of low mass that occurs when the core is so dense that the matter has become degenerate. The burning causes a rapid rise in temperature until it is so high that the gas ceases to be degenerate, after which there is a rapid expansion
- hell-raising — behaviour which causes trouble
- hellaciously — In a hellacious manner.
- helleborines — Plural form of helleborine.
- hellgramites — Plural form of hellgramite.
- hellgrammite — the aquatic larva of a dobsonfly, used as bait in fishing.
- helmet liner — a soft or padded lining for a helmet.
- helmsmanship — the skill or function of a helmsman
- help on with — If you help someone on with an item of clothing, you help them put it on.
- helping hand — aid; assistance: to give the destitute a helping hand.
- helping verb — auxiliary verb.
- hematologist — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- hemerocallis — the genus comprising the day lilies.
- hemimetaboly — Hemimetabolism.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemodialyzer — artificial kidney.
- hemodilution — a decreased concentration of cells and solids in blood, usually caused by an influx of fluid.
- hemophiliacs — Plural form of hemophiliac.