Adjective

(en adjective)

(of persons) Of the same kin; related by blood.

* 1722 , , Moll Flanders , ch. 23:

We are too near akin to lie together, though we may lodge near one another.

(often, followed by to) Allied by nature; similar; partaking of the same properties; of the same kind.

* 1677 , , The Court of the Gentiles , T. Cockeril, part 4, bk. 1, ch. 2, p. 27:

Is not then Fruition near akin to Love?

* 1710 , anon., "To the Spectator, &c.," The Spectator , vol. 1, no. 8 (March 9), p. 39:

She told me that she hoped my Face was not akin to my Tongue.

* 1814 , , Mansfield Park , ch. 44:

Such sensations, however, were too near akin to resentment to be long guiding Fanny's soliloquies.

* 1837 , , The Pickwick Papers , ch. 39:

Mr. Winkle . . . took his hand with a feeling of regard, akin to veneration.

* 1910 , , "Old Well-Well," Success (July):

Something akin to a smile shone on his face.

Adjective

(en adjective)

Similar or identical in value, meaning or effect; virtually equal.

* South

For now to serve and to minister, servile and ministerial, are terms equivalent .

* {{quote-magazine, date=2012-03

, author=(Henry Petroski) , title=Opening Doors , volume=100, issue=2, page=112-3 , magazine= citation , passage=A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place. Applying a force tangential to the knob is essentially equivalent to applying one perpendicular to a radial line defining the lever.}}

(mathematics) Of two sets, having a one-to-one correspondence; equinumerous.

* Comprehensive MCQ's in Mathematics , page 3:

Finite sets A and B are equivalent sets only when n''(A) = ''n''(B) ''i.e. , the number of elements in A and B are equal.

* 1950 , E. Kamke, Theory of Sets , page 16:

All enumerable sets are equivalent to each other, but not to any finite set.

* 2000 , N. L. Carothers, Real Analysis , page 18:

Equivalent' sets should, by rights, have the same "number" of elements. For this reason we sometimes say that '''equivalent sets have the same ''cardinality .

* 2006 , Joseph Breuer, Introduction to the Theory of Sets , page 41:

The equivalence theorem: If both M is equivalent''' to a subset N₁ of N and N is '''equivalent''' to a subset M₁ of M, then the sets M and N are '''equivalent to each other.

(mathematics) Relating to the corresponding elements of an equivalence relation.

(chemistry) Having the equal ability to combine.

(cartography) Of a map, equal-area.

(geometry) Equal in measure but not admitting of superposition; applied to magnitudes.

A square may be equivalent to a triangle.