12-Letter Words

Any of various fluorescent substances used in fluorescence microscopy to stain specimens.

See photofluorography .

Fluorometer

""Instruments an instrument for measuring the emission of radiation in the form of visible light and identifying the substance that is its source. ; fluorometric,""

FLUOROSCOPE An instrument for observing or exhibiting fluorescence.

Fluoroscope

FLUOROSCOPE An instrument for observing or exhibiting fluorescence.

""An antineoplastic agent, C 4 H 3 FN 2 O 2 , used especially in the treatment of cancers of the skin, breast, and digestive system.""

""A derivative of phenothiazine, C 22 H 26 F 3 N 3 OS, used for the treatment of schizophrenia and other psychotic disorders.""

""(Individual Sports & Recreations / Swimming, Water Sports & Surfing) US and Canadian an oblong board or piece of polystyrene plastic used by swimmers in training or practice Brit word float FRANKALMOIGN (Historical Terms) English legal history a form of tenure by which religious bodies held lands, esp on condition of praying for the soul of the donor [from Anglo-French fraunke almoigne , from fraunke frank + almoign church treasury, alms chest]""

""The act of focalizing or bringing to a focus, or the state of being focalized.""

FOLKLORIST

Folksiness

Folksinging

Plural or third person singular

""Inflammation of a follicle, especially of a hair follicle.""

The act or condition of following a leader; adherence: "It was not a crisis of leadership. It was a crisis of followership" (Christian Science Monitor).

Fomentation

FOODLESS without food

Footdragger

Footfault

Footlambert

FOOTLESS without feet

Pays for fellers, those on the march

Marchers, those wielding an axe on behalf of an old Labour leader (wordplay)

Footslog

FOOTSORE having sore or tired feet

""An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids. Many of them have perforated walls, whence the name. Some species are covered with sand. See Rhizophoda. Rhizophoda.""

Foraminifer

Forbearance

Forbiddance

Forbidding

Assertive or vigorous quality

The quality of being forcible.

In a foreboding manner.

CASTABLE able to be cast

CHECKERS checker

Forecheck

Home wreckers in favour of finding love finally for certain in walled vineyard

They take the land back in favour of point-to-point around Cork

Came together

Met old man being entertained by Dad, bloke at the paper

Foreground

Forehanded

Foremanship

FORENSIC law pleading

Predestined

Bit of a nag and that's the whole thing summed up, so to speak (wordplay)

More than just two legs of quadruped making the whole, we're told

Forereach

Presaged

Foreshadow

Foreshorten

Foresighted.

Forespeak

""FORESTALLER One who forestalls; esp., one who forestalls the market.""

Anticipating long life, star played around

Forestation

Triangular sail

Foreswear

Forethought

Foretoken

Forgather

A furnace or hearth where metals are heated or wrought; a smithy.

It preserves official of Parisian park

Preservative for biological specimens

Gas used as preservative

""FORMALIZE To give form, or a certain form, to; to model.""

Formalness

FORMLESS lacking structure

FORMULARIZE To reduce to a forula; to formulate.

FORMULARIZE To reduce to a forula; to formulate.

Formularize

Formulation

Fornication

Forthright

Adjective meaning resembling

By chance

""FOUNDATION The act of founding, fixing, establishing, or beginning to erect.""

Make a wish here at beginning of spring

Wellspring (2 words)

Chief source

Fourdrinier

Partially, incompletely

""FRACTIONATE To separate into different portions or fractions, as in the distillation of liquids.""

Fractionate

""FRACTIONATE To separate into different portions or fractions, as in the distillation of liquids.""

Fragmental

FRAGMENTATE

Fragmentate

FRAGMENTIZE

Fragmentize

Structural weakness of fairly big tin potty

Equipment for #1

Hot dogs

Olibanum for Sinatra (wordplay)

An original Christmas gift (wordplay)

Olibanum for Sinatra?

Franklinite

Frankpledge

""FRATERNAL Pf, pertaining to, or involving, brethren; becoming to brothers; brotherly; as, fraternal affection; a fraternal embrace. as, fraternal affection; a fraternal embrace.""

Greek-letter organizations

Organizations with Greek letters

Four groups found in this puzzle

Fraternizer

""FRATERNIZE To associate or hold fellowship as brothers, or as men of like occupation or character; to have brotherly feelings.""

Fraudulence

Deceitfully, dishonestly

Freakiness

Marked strangeness or abnormality.

Freehanded

Not tied down

Deliver position that's autonomous

Unsupported accompaniments of 15 part 1

Loose philosophers (wordplay)

They reject orthodox beliefs to release philosophers

They reject orthodox beliefs not held by philosophers

Rejecting accepted opinions

FREEWHEELER freewheel

Happy-go-lucky

Unconstrained

Uninhibited

Freewriting

Frenchify

Frenetical

Freneticism

The quality of being frequent.

Friability

Fricassee

Frictional

Having no friction.

Get on with it

Rows among Quakers end in cordiality

Amicability

Frigidness

Friskiness

Fritillaria

Plants showing flowers half the day, up to the time of stars

Frizziness

Frontality

Cody or Carson, say

Daniel Boone, for one

Border dweller

Crockett and Boone

Picture at beginning of book

Illustration in book of head one's cut

Illustration facing a book's title page

Frostbiting

Frostiness

Frothiness

Frozenness

Fruitful

FRUITFUL productive

Fruitiness

Frustration

Fucoxanthin

The quality or condition of being fugitive; evanescence; volatility; fugacity; instability.

Fulfillment

Fulguration

In a smoky manner.

Fulmination

Funambulism

Funambulist

In a functional manner; as regards normal or appropriate activity.

""Destitute of function, or of an appropriate organ. Darwin.""

Amusing lady with unusual slant on basic principles

Fungicidal

English word

Furtherance

Plural or third person singular

A skin condition characterized by the development of recurring boils.

Fusibility

Fustigation

Futileness

Holding or based on the view that human endeavor is futile.

Futurology

Predictor of what is to come

One who forecasts coming developments

Person dealing with the study or prediction for mankind during times to come

Gadzookery

Excessive flow of milk from the breasts during lactation.

""An inherited metabolic disorder characterized by the deficiency of an enzyme that is necessary for the metabolism of galactose. The disorder results in elevated levels of galactose in the blood and, if untreated, can lead to mental retardation and eye and liver abnormalities.""

""GALACTOSE A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper). C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper).""

Galactoside

Things attached to livers (2 words)

Gallerygoer

Loose trousers

Resembling the domestic fowls and pheasants; of or pertaining to the Gallinae.

Gallinipper

Going about seeking pleasure

Gadding about

Galvanical

Instrument for measuring small electric currents

Instrument for detecting small electric currents - mangrove et al (anagram)

Man got a lever working, device in physics lab (wordplay)

""An instrument or apparatus for detecting the presence of electrical currents, especially such as are of feeble intensity.""

Potter's Field!

Art of scoring points

Contests + guy + boat

GAMESOME {playful=adj}

The formation or production of gametes.

Gametophore

Gametophyte

""GAMETOPHYTE In the alternation of generations in plants, that generation or phase which bears sex organs and produces gametes. In the lower plants, as the alg\'91, the gametophyte is the conspicuous part of the plant body; in mosses it is the so-called moss plant; in ferns it is reduced to a small, early perishing body; and in seed plants it is usually microscopic or rudimentary.""

Having the petals united or joined so as to form a tube or cup; monopetalous.

GANGLION a group of nerve cells

Ganglioside

Gangsterdom

Gangsterism

Garishness

Garnishee

Garnishment

The act or process of converting into gas.

GASTIGHT not allowing gas in or out

""Pl. gastrocnemii (-m - ) The largest, most prominent muscle of the calf of the leg, the action of which extends the foot and bends the knee.""

Gastronomy

One who eats and drinks well

Gastroscope

Of or pertaining to gastroscopy.

Gastrotrich

Gastrulate

""The process of invagination, in embryonic development, by which a gastrula is formed.""

Gaucheness

Geanticline

Gegenschein

""GELATINIZE To convert into gelatin or jelly. Same as Gelatinate, v. t. Gelatinate, v. t.""

Gelatinous

""Pl -schaften (German) [-ʃaftən] (Sociology) (often capital) a social group united by common beliefs, family ties, etc. Compare gesellschaft [German, literally: community]""

Gemmologist

Gendarmerie

Concerned with tracing a tree (wordplay)

Upset college again concerning family history

Tree experts (wordplay)