Igloo
Ig´loo, n.
1. An Eskimo snow house.
2. (Zoöl.) A cavity, or excavation, made in the snow by a seal, over its breathing hole in the ice.

Ignatius bean
Ig•na"tius bean (Bot.) See Saint Ignatius’s bean, under Saint.

Ignescent
Ig•nes´cent, a. [L. ignescens, p. pr. of ignescere to become inflamed, fr. ignis fire: cf. F. ignescent.] Emitting sparks of fire when struck with steel; scintillating; as ignescent stones.

Ignicolist
Ig•nic´o•list, n. [L. ignis fire + colere to worship.] A worshiper of fire. [R.]

Igniferous
Ig•nif´er•ous, a. [L. ignifer; ignis fire + ferre to bear.] Producing fire. [R.] Blount.

Ignifluous
Ig•nif´lu•ous, a. [L. ignifluus; ignis fire + fluere to flow.] Flowing with fire. [Obs.] Cockerman.

Ignify
Ig´ni•fy, v. t. [ imp. & p. p. Ignified p. pr. & vb. n. Ignifying ] [L. ignis fire + -fy.] To form into fire. [R.] Stukeley.

Ignipotence
Ig•nip´o•tence, n. Power over fire. [R.]

Ignipotent
Ig•nip´o•tent, a. [L. ignipotens; ignis fire + potens powerful.] Presiding over fire; also fiery.
"Vulcan is called the powerful ignipotent." Pope.

Ignis fatuus
Ig"nis fat"u•us pl. Ignes fatui (#). [L. ignis fire + fatuus foolish. So called in allusion to its tendency to mislead travelers.]
1. A phosphorescent light that appears, in the night, over marshy ground, supposed to be occasioned by the decomposition of animal or vegetable substances, or by some inflammable gas; — popularly called also Will-with-the-wisp, or Will-o’-the-wisp, and Jack-with-a-lantern, or Jack-o’-lantern.
2. Fig.: A misleading influence; a decoy.
"Scared and guided by the ignis fatuus of popular superstition." Jer. Taylor.

Ignite
Ig•nite´, v. t. [ imp. & p. p. Ignited p. pr. & vb. n. Igniting.] [L. ignitus, p. p. of ignire to ignite, fr. ignis fire. See Igneous.]
1. To kindle or set on fire; as to ignite paper or wood.
2. (Chem.) To subject to the action of intense heat; to heat strongly; — often said of incombustible or infusible substances; as to ignite iron or platinum.

Ignite
Ig•nite´, v. i. To take fire; to begin to burn.

Ignitible
Ig•nit´i•ble, a. Capable of being ignited.

Ignition
Ig•ni´tion, n. [Cf. F. ignition.]
1. The act of igniting, kindling, or setting on fire.
2. The state of being ignited or kindled. Sir T. Browne.

Ignitor
Ig•nit´or, n. One who, or that which, produces ignition; especially, a contrivance for igniting the powder in a torpedo or the like. [Written also igniter.]

Ignivomous
Ig•niv´o•mous, a. [L. ignivomus; ignis fire + vomere 8vomit.] Vomiting fire. [R.]

Ignobility
Ig•no•bil´i•ty, n. [L. ignobilitas: cf. F. ignobilite.] Ignobleness. [Obs.] Bale.

Ignoble
Ig•no´ble, a. [L. ignobilis; pref. in- not + nobilis noble: cf. F. ignoble. See In- not, and Noble, a. ]
1. Of low birth or family; not noble; not illustrious; plebeian; common; humble.
"I was not ignoble of descent." Shak.
"Her royal stock graft with ignoble plants." Shak.
2. Not honorable, elevated, or generous; base.
"’T is but a base, ignoble mind, That mounts no higher than a bird can soar." Shak.
"Far from the madding crowd’s ignoble strife." Gray.
3. (Zoöl.) Not a true or noble falcon; — said of certain hawks, as the goshawk.
Syn. — Degenerate; degraded; mean; base; dishonorable; reproachful; disgraceful; shameful; scandalous; infamous.

Ignoble
Ig•no´ble, v. t. To make ignoble. [Obs.] Bacon.

Ignobleness
Ig•no´ble•ness, n. State or quality of being ignoble.

Ignobly
Ig•no´bly, adv. In an ignoble manner; basely.

Ignominious
Ig•no•min´i•ous, a. [L. ignominiosus: cf. F. ignominieux.]
1. Marked with ignominy; incurring public disgrace; dishonorable; shameful.
"Then first with fear surprised and sense of pain, Fled ignominious." Milton.
2. Deserving ignominy; despicable.
"One single, obscure, ignominious projector." Swift.
3. Humiliating; degrading; as an ignominious judgment or sentence. Macaulay.

Ignominiously
Ig•no•min´i•ous•ly, adv. In an ignominious manner; disgracefully; shamefully; ingloriously.

Ignominy
Ig´no•min•y, n. ; pl. Ignominies (#). [L. ignominia ignominy ( i.e., a deprivation of one’s good name); in- not + nomen name: cf. F. ignominie. See In- not, and Name.]
1. Public disgrace or dishonor; reproach; infamy.
"Their generals have been received with honor after their defeat; yours with ignominy after conquest." Addison.
"Vice begins in mistake, and ends in ignominy." Rambler.
"Ignominy is the infliction of such evil as is made dishonorable, or the deprivation of such good as is made honorable by the Commonwealth." Hobbes.
2. An act deserving disgrace; an infamous act.
Syn. — Opprobrium; reproach; dishonor.

Ignoramus
Ig•no•ra´mus, n. [L., we are ignorant. See Ignore.]
1. (Law) We are ignorant; we ignore; — being the word formerly written on a bill of indictment by a grand jury when there was not sufficient evidence to warrant them in finding it a true bill. The phrase now used is, "No bill," "No true bill," or "Not found," though in some jurisdictions "Ignored" is still used. Wharton (Law Dict. ). Burn.
2. (pl. Ignoramuses .) A stupid, ignorant person; a vain pretender to knowledge; a dunce.
"An ignoramus in place and power." South.

Ignorant
Ig´no•rant, a. [F., fr. L. ignorans, -antis, p. pr. of ignorare to be ignorant. See Ignore.]
1. Destitute of knowledge; uninstructed or uninformed; untaught; unenlightened.
"He that doth not know those things which are of use for him to know, is but an ignorant man, whatever he may know besides." Tillotson.
2. Unacquainted with; unconscious or unaware; — used with of.
"Ignorant of guilt, I fear not shame." Dryden.
3. Unknown; undiscovered. [Obs.]
"Ignorant concealment." Shak.
"Alas what ignorant sin have I committed?" Shak.
4. Resulting from ignorance; foolish; silly.
"His shipping, Poor ignorant baubles! — on our terrible seas Like eggshells moved." Shak.
Syn. — Uninstructed; untaught; unenlightened; uninformed; unlearned; unlettered; illiterate. — Ignorant, Illiterate. Ignorant denotes want of knowledge, either as to single subject or information in general; illiterate refers to an ignorance of letters, or of knowledge acquired by reading and study. In the Middle Ages, a great proportion of the higher classes were illiterate, and yet were far from being ignorant, especially in regard to war and other active pursuits.
"In such business Action is eloquence, and the eyes of the ignorant More learned than the ears." Shak.
"In the first ages of Christianity, not only the learned and the wise, but the ignorant and illiterate, embraced torments and death." Tillotson.

Ignorant
Ig´no•rant, n. A person untaught or uninformed; one unlettered or unskilled; an ignoramous.
"Did I for this take pains to teach Our zealous ignorants to preach?" Denham.

Ignorantism
Ig´no•rant•ism, n. The spirit of those who extol the advantage of ignorance; obscurantism.

Ignorantist
Ig´no•rant•ist, n. One opposed to the diffusion of knowledge; an obscurantist.

Ignorantly
Ig´no•rant•ly, adv. In a ignorant manner; without knowledge; inadvertently.
"Whom therefoer ye ignorantly worship, him declare I unto you." Acts xvii. 23.

Ignore
Ig•nore´, v. t. [ imp. & p. p. Ignored p. pr. & vb. n. Ignoring.] [L. ignorare; pref. in- not + the root of gnarus knowing, noscere to become acquainted with. See Know, and cf. Narrate.]
1. To be ignorant of or not acquainted with. [Archaic]
"Philosophy would solidly be established, if men would more carefully distinguish those things that they know from those that they ignore." Boyle.
2. (Law) To throw out or reject as false or ungrounded; — said of a bill rejected by a grand jury for want of evidence. See Ignoramus.
3. Hence: To refuse to take notice of; to shut the eyes to; not to recognize; to disregard willfully and causelessly; as to ignore certain facts; to ignore the presence of an objectionable person.
"Ignoring Italy under our feet, And seeing things before, behind." Mrs. Browning.

Iguana
I•gua´na, n. [Sp. iguana, from the native name in Hayti. Cf. Guana.] (Zoöl.) Any species of the genus Iguana, a genus of large American lizards of the family Iguanidae. They are arboreal in their habits, usually green in color, and feed chiefly upon fruits. The common iguana ( Iguana iguana, formerly Iguana tuberculata, and also called by other synonyms@ of the West Indies and South America is sometimes five feet long. Its flesh is highly prized as food. The horned iguana ( Iguana cornuta) has a conical horn between the eyes.

Iguanid
I•gua´nid, a. (Zoöl.) Same as Iguanoid.

Iguanodont
I•gua´no•dont, a. (Paleon.) Like or pertaining to the genus Iguanodon.

Iguanoid
I•gua´noid, a. [ Iguana + -oid.] (Zoöl.) Pertaining to the Iguanidae.