12-letter words containing a, e, r, i, l, o
- foolhardiest — Superlative form of foolhardy.
- for a giggle — as a joke or prank; not seriously
- for all time — forever, for eternity
- forbearingly — In a forbearing manner.
- fore-topsail — a topsail set on a foremast on a ship.
- foreign-flag — (of a vessel or aircraft) having a registry under a nationality other than one's own: rivalry between U.S.-flag freighters and foreign-flag ships.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- forestalling — Present participle of forestall.
- forestaysail — a triangular sail set on a forestay; the innermost headsail of a vessel.
- foretopsails — Plural form of foretopsail.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- forgeability — (metallurgy) The quality or degree of being forgeable.
- formalizable — Capable of being formalized.
- formularized — Simple past tense and past participle of formularize.
- formularizer — One who formularizes.
- formularizes — Third-person singular simple present indicative form of formularize.
- fort laramie — a city in SE Wyoming.
- forward line — the soldiers at the forward most position in an army force
- free on rail — (of a consignment of goods) delivered to a railway station and loaded onto a train without charge to the buyer
- furazolidone — a nitrofuran, C 8 H 7 N 3 O 5 , that is used in the treatment of giardiasis, and bacterial gastroenteritis and dysentery.
- galeniferous — Of a mineral or deposit that contains galena.
- gelatiniform — Having the form of gelatin.
- generational — the entire body of individuals born and living at about the same time: the postwar generation.
- geocentrical — Alternative form of geocentric.
- geographical — of or relating to geography.
- germanophile — a person who is friendly toward or admires or studies Germany or German culture.
- gesticulator — to make or use gestures, especially in an animated or excited manner with or instead of speech.
- gila monster — a large, venomous lizard, Heloderma suspectum, of the southwestern U.S. and northwestern Mexico, covered with beadlike scales of yellow, orange, and black.
- glandiferous — bearing nuts or acorns
- glutaredoxin — (enzyme) Any of a family of small redox enzymes that use glutathione as a cofactor.
- golden ratio — the ratio of two lengths, equal in value to (1 + √5)/2, and given by b/a = (b + a)/b; it is the reciprocal of the golden section and also equal to (1 + golden section)
- gonfaloniers — Plural form of gonfalonier.
- gradeflation — grade inflation.
- gram calorie — calorie (def 1a). Abbreviation: g-cal.
- gravicembalo — a harpsichord.
- gregariously — fond of the company of others; sociable.
- grossularite — a mineral, calcium aluminum garnet, Ca 3 Al 2 Si 3 O 12 , occurring in gray-white to pinkish crystals.
- hair removal — depilatory treatment
- half serious — of, showing, or characterized by deep thought.
- half-serious — of, showing, or characterized by deep thought.
- halobacteria — Plural form of halobacterium.
- halotrichite — a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers.
- harmonizable — That can be harmonized.
- hearing loss — diminished ability to hear
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- 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.