15-Letter Words Starting with H

Lack of enthusiasm

HAPHAZARDNESS haphazard

Musicians such as Wanda Landowska

HAZARDOUSNESS hazardous

Headmastership

HEARTBREAKING Causing overpowering sorrow.

HEARTLESSNESS heartless

HEARTSICKNESS heartsick

Heliometrical

English word

Plural or third person singular

""A hereditary disorder affecting iron metabolism in which excessive amounts of iron accumulate in the body tissues. The disorder is characterized by diabetes mellitus, liver dysfunction, and a bronze pigmentation of the skin.""

Hemoglobinuria

It's Rod/Pam, him/her mixed up in this (wordplay)

""According to the principles of interpretation; as, a verse of Scripture was examined hermeneutically. as, a verse of Scripture was examined hermeneutically.""

Like Joseph's coat

Tightly coiled chromosomal material that stains deeply during interphase and is believed to be genetically inactive.

Heterogeneity

Heterogeneous

Heteromorphism

Straightness of 4s? You hear incorrectly

Kinsey report topic

Heterothallism

""A colorless crystalline compound, Cl 3 CCCl 3 , that is used as a camphor substitute and in pyrotechnics, explosives, and veterinary medicine.""

""An almost odorless white powder, (C 6 HCl 3 OH) 2 CH 2 , used as a disinfectant and as an antibacterial agent in soaps.""

""A yellowish-white crystalline phenol, C 6 H 13 C 6 H 3 (OH) 2 , used as an antiseptic and anthelmintic.""

HILARIOUSNESS hilarious

""An historian; a writer of history; especially, one appointed or designated to write a history; also, a title bestowed by some governments upon historians of distinction.""

Related to secondhand sources

HOLOGRAPHIC Of the nature of a holograph; pertaining to holographs.

Homotransplant

HONORABLENESS The state of being honorable; eminence; distinction.

Horizontality

Horticultural

Gardeners

Ideal of man's welfare

I am an Irish nut and am troubled by a principle of benevolence

Benevolent philosophy in this UN aim? Drama without director unfolded

HUMORLESSNESS humorless

The biological study of bodies of water.

Hydrobiologist

Hydrocephalus

Hydrocortisone

HYDRODYNAMIC

Physics ()

The art or process of assaying or reducing ores by means of liquid reagents.

""According to hydrostatics, or to hydrostatic principles.""

Hydroxyapatite

English word

Hydroxyproline

Hyperactivity

Hyperaesthesia

""AGGRESSIVE Tending or disposed to aggress; having or showing determination and energetic pursuit of one's own ends at the expense of others or mindless of others' needs or desires; characterized by aggression; making assaults; unjustly attacking; as, an aggressive policy, war, person, nation; an aggressive businessman; an aggressive basketball player; he was aggressive and imperious in his convictions; aggressive drivers. Opposite of unaggressive.as, an aggressive policy, war, person, nation; an aggressive businessman; an aggressive basketball player; he was aggressive and imperious in his convictions; aggressive drivers. Opposite of unaggressive.""

""CATABOLISM the breakdown of more complex substances into simpler ones with release of energy, in living organisms; destructive or downward metabolism; -- a form of metabolism, opposed to anabolism. See also Disassimilation.metabolism, opposed to anabolism. See also Disassimilation.""

""Having a syllable or two beyond measure; as, a hypercatalectic verse. as, a hypercatalectic verse.""

COAGULABLE Capable of being coagulated.

Hypercorrect

In a hypercritical manner.

Hypercriticism

""EXCITEMENT The act of exciting, or the state of being roused into action, or of having increased action; impulsion; agitation; as, an excitement of the people. as, an excitement of the people.""

Hyperexcretion

Hyperextension

""FASTIDIOUS Difficult to please; delicate to fault; suited with difficulty; squeamish; as, a fastidious mind or ear; a fastidious appetite. as, a fastidious mind or ear; a fastidious appetite.""

""FUNCTIONAL Pertaining to, or connected with, a function or duty; official.""

IMMUNIZING immunize

Hyperinflation

""An abnormally high level of insulin in the blood, resulting in hypoglycemia.""

INVOLUTION The act of involving or infolding.

Hyperlipidemia

""METABOLISM The act or process, by which living tissues or cells take up and convert into their own proper substance the nutritive material brought to them by the blood, or by which they transform their cell protoplasm into simpler substances, which are fitted either for excretion or for some special purpose, as in the manufacture of the digestive ferments. Hence, metabolism may be either constructive (anabolism), or destructive (katabolism). anabolism), or destructive (katabolism).""

Hypermobility

Hypermodernist

""MUTABILITY The quality of being mutable, or subject to change or alteration, either in form, state, or essential character; susceptibility of change; changeableness; inconstancy; variation.""

PARASITISM The state or behavior of a parasite; the act of a parasite.

POLARIZING polarize

""PRODUCTION The act or process or producing, bringing forth, or exhibiting to view; as, the production of commodities, of a witness. as, the production of commodities, of a witness.""

REACTIVITY

RESPONSIVE That responds; ready or inclined to respond.

Hypersalinity

""SALIVATION The act or process of salivating; an excessive secretion of saliva, often accompained with soreness of the mouth and gums; ptyalism.""

Hypersecretion

""Inflected form of SENSITIZED Inflected form of SENSITIZE To render sensitive, or susceptible of being easily acted on by the actinic rays of the sun; as, sensitized paper or plate. as, sensitized paper or plate.""

Hypersensitize

SOMNOLENCE

""Inflected form of STIMULATED Inflected form of STIMULATE To excite as if with a goad; to excite, rouse, or animate, to action or more vigorous exertion by some pungent motive or by persuasion; as, to stimulate one by the hope of reward, or by the prospect of glory. as, to stimulate one by the hope of reward, or by the prospect of glory.""

Hyperstimulate

""An abnormality of the thyroid gland characterized by the pathologically excessive production of thyroid hormones; -- also, the resulting condition characterized by increased metabolism, weight loss, rapid heart rate, high blood pressure, an enlarged thyroid gland and sometimes exophthalmos. It leads to, and may be confirmed by, high plasma levels of triiodothyronine or thyroxin.""

Hypertonicity

Hypervelocity

Patient held very tight breathed very heavily

Hyperventilate

Hypervigilance

Hypnotherapist

Worrywartish, in a way.

Like the Guardian's diarist, harpy had colonic disorder

HYPOCHONDRIAS hypochondria

""A mental disorder in which melancholy and gloomy views torment the affected person, particularly concerning his own health.""

Disease and Illness ()

Hypothyroidism

HYSTERECTOMIZE