Thumb vs. Inch

Difference Between Thumb and Inch
Thumbnoun
The short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.
Inchnoun
A unit of length equal to one twelfth of a foot, or exactly 2.54 centimetres.
Thumbnoun
(computing) The part of a slider that may be moved linearly along the slider.
Inchnoun
(meteorology) The amount of water which would cover a surface to the depth of an inch, used as a measurement of rainfall.
Thumbnoun
A thumbnail picture.
Inchnoun
The amount of an alcoholic beverage which would fill a glass or bottle to the depth of an inch.
Thumbverb
(transitive) To touch or cover with the thumb.
to thumb the touch-hole of a cannonInchnoun
(figuratively) A very short distance.
"Don't move an inch!"Thumbverb
To turn the pages of (a book) in order to read it cursorily.
I thumbed through the book and decided not to bother reading it all.Inchnoun
(Scotland) A small island
Thumbverb
(travel) To hitchhike
So I started thumbin' back east, toward my hometown.Inchverb
To advance very slowly, or by a small amount (in a particular direction).
Fearful of falling, he inched along the window ledge.Thumbverb
To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling.
Inchverb
To drive by inches, or small degrees.
Thumbverb
To manipulate (an object) with the thumb; especially, to pull back the hammer or open the cylinder of a revolver.
Inchverb
To deal out by inches; to give sparingly.
Thumbnoun
the thick short innermost digit of the forelimb
Inchnoun
a unit of length equal to one twelfth of a foot
Thumbnoun
the part of a glove that provides a covering for the thumb
Inchnoun
a unit of measurement for advertising space
Thumbnoun
a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
Inchverb
advance slowly, as if by inches;
He edged towards the carThumbverb
travel by getting free rides from motorists
Thumbverb
look through a book or other written material;
He thumbed through the reportShe leafed through the volumeThumbverb
feel or handle with the fingers;
finger the binding of the book