As adjectives the difference between multiple and quintillionfold

is that multiple is multiple while quintillionfold is (rare) by a multiple of one quintillion; by a quintillion times as much or as many.

As an adverb quintillionfold is

(rare) by a factor of one quintillion.

As a numeral quintillion

is a billion billion: 1 followed by eighteen zeros, 10¹⁸.

As a noun quintillion

is any very large number, exceeding normal description.

As an adjective quintillionfold is

by a multiple of one quintillion; by a quintillion times as much or as many.

As an adverb quintillionfold is

by a factor of one quintillion.

As a noun factor

is a doer, maker; a person who does things for another person or organization.

As a verb factor

is to find all the factors of (a number or other mathematical object) (the objects that divide it evenly).

As an adjective quintillionfold is

by a multiple of one quintillion; by a quintillion times as much or as many.

As an adverb quintillionfold is

by a factor of one quintillion.

Thousandfold is a related term of quintillionfold.

As adjectives the difference between thousandfold and quintillionfold

is that thousandfold is multiplied by one thousand (1000), repeated a thousand times while quintillionfold is (rare) by a multiple of one quintillion; by a quintillion times as much or as many.

As adverbs the difference between thousandfold and quintillionfold

is that thousandfold is by a factor of a thousand while quintillionfold is (rare) by a factor of one quintillion.

Quintillionfold is a related term of millionfold.

As adjectives the difference between millionfold and quintillionfold

is that millionfold is a million times so; as, a millionfold dilution, a millionfold increase while quintillionfold is by a multiple of one quintillion; by a quintillion times as much or as many.

As adverbs the difference between millionfold and quintillionfold

is that millionfold is by a factor of a million while quintillionfold is by a factor of one quintillion.

Billionfold is a related term of quintillionfold.

As adjectives the difference between billionfold and quintillionfold

is that billionfold is a billion times so; while quintillionfold is (rare) by a multiple of one quintillion; by a quintillion times as much or as many.

As adverbs the difference between billionfold and quintillionfold

is that billionfold is in a billionfold way; by a billion degrees; on a scale of a billion; as, to multiply something a billionfold, to magnify something a billionfold, something which is a billionfold heavier than something else while quintillionfold is (rare) by a factor of one quintillion.

As nouns the difference between explosive and fougasse

is that explosive is substance while fougasse is a type of lattice-shaped bread associated with the area of provence.

As an adjective explosive

is with the capability to, or likely to, explode.

As nouns the difference between projectile and fougasse

is that projectile is an object intended to be or having been fired from a weapon while fougasse is a type of lattice-shaped bread associated with the area of Provence.

As an adjective projectile

is projecting or impelling forward.

Fougade is a synonym of fougasse.

As nouns the difference between fougade and fougasse

is that fougade is (military|historical) a kind of land mine; a fougasse while fougasse is a type of lattice-shaped bread associated with the area of provence.

As nouns the difference between botany and geobotany

is that botany is the scientific study of plants, a branch of biology. Typically those disciplines that involve the whole plant while geobotany is the branch of biogeography that is concerned with the geographic distribution of plant species.