Accession vs. Accretion — What's the Difference?

The attainment of a dignity or rank

Growth or increase in size by gradual external addition, fusion, or inclusion.

Something that has been acquired or added; an acquisition.

Something contributing to such growth or increase

An increase by means of something added.

(Biology) The growing together or adherence of parts that are normally separate.

The addition to or increase in value of property by means of improvements or natural growth.

Slow addition to land by deposition of water-borne sediment.

The right of a proprietor to ownership of such addition or increase.

An increase of land along the shores of a body of water, as by alluvial deposit.

Agreement or assent.

(Astronomy) An increase in the mass of a celestial object by its gravitational capture of surrounding interstellar material.

Access; admittance.

The act of increasing by natural growth; especially the increase of organic bodies by the internal accession of parts; organic growth.

A sudden outburst.

The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition.

To record in the order of acquisition

Something added externally to promote the external growth of an item.

A coming to; the act of acceding and becoming joined.

Concretion; coherence of separate particles.

Increase by something added; that which is added; augmentation from without.

(biology) A growing together of parts naturally separate, as of the fingers or toes.

(legal) A mode of acquiring property, by which the owner of a corporeal substance which receives an addition by growth, or by labor, has a right to the part or thing added, or the improvement (provided the thing is not changed into a different species).

(geology) The gradual increase of land by deposition of water-borne sediment.

(legal) The act by which one power becomes party to engagements already in force between other powers.

(legal) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark.

The act of coming to or reaching a throne, an office, or dignity.

(legal) Gain to an heir or legatee; failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share percentage.

(medicine) The invasion, approach, or commencement of a disease; a fit or paroxysm.

(astrophysics) The formation of planets and other bodies by collection of material through gravity.

Agreement.

The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of parts; organic growth.

Access; admittance.

The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition; as, an accretion of earth.

A group of plants of the same species collected at a single location, often held in genebanks.

Concretion; coherence of separate particles; as, the accretion of particles so as to form a solid mass.

(Scotland) Complicity, concurrence or assent in some action.

A growing together of parts naturally separate, as of the fingers or toes.

(transitive) To make a record of (additions to a collection).

The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or soil from the sea or a river, or by a gradual recession of the water from the usual watermark.

A coming to; the act of acceding and becoming joined; as, a king's accession to a confederacy.

An increase by natural growth or addition

Increase by something added; that which is added; augmentation from without; as, an accession of wealth or territory.

Something contributing to growth or increase;

A mode of acquiring property, by which the owner of a corporeal substance which receives an addition by growth, or by labor, has a right to the part or thing added, or the improvement (provided the thing is not changed into a different species). Thus, the owner of a cow becomes the owner of her calf.

(astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases

The act of coming to or reaching a throne, an office, or dignity; as, the accession of the house of Stuart; - applied especially to the epoch of a new dynasty.

(biology) growth by addition as by the adhesion of parts or particles

The invasion, approach, or commencement of a disease; a fit or paroxysm.

(geology) an increase in land resulting from alluvial deposits or water-borne sediment

A process of increasing by addition (as to a collection or group);

(law) an increase in a beneficiary's share in an estate (as when a co-beneficiary dies or fails to meet some condition or rejects the inheritance)

(civil law) the right to all of that which your property produces whether by growth or improvement

Something added to what you already have;

Agreeing with or consenting to (often unwillingly);

The right to enter

The act of attaining or gaining access to a new office or right or position (especially the throne);

Make a record of additions to a collection, such as a library