more symbiotical

noun, plural sym·bi·o·ses

[-seez] .

Biology.

the living together of two dissimilar organisms, as in mutualism, commensalism, amensalism, or parasitism.

(formerly) mutualism ( def 1 ).

Psychiatry. a relationship between two people in which each person is dependent upon and receives reinforcement, whether beneficial or detrimental, from the other.

Psychoanalysis. the relationship between an infant and its mother in which the infant is dependent on the mother both physically and emotionally.

any interdependent or mutually beneficial relationship between two persons, groups, etc.

Origin:
1615–25; < Greek symbíōsis, equivalent to sym- sym- + biō (variant stem of bioûn to live) + -sis -sis

Related forms

sym·bi·ot·ic

[sim-bee-ot-ik, -bahy-] , sym·bi·ot·i·cal, adjective

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So is doohickey. Does it mean:

the offspring of a zebra and a donkey.

a gadget; dingus; thingumbob.

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Dictionary.com Unabridged

adjective

living in symbiosis, or having an interdependent relationship: Many people feel the relationship between humans and dogs is symbiotic.

Sometimes, sym·bi·ot·i·cal.

Origin:
symbio(sis) + -tic

Related forms

sym·bi·ot·i·cal·ly, adverb

non·sym·bi·ot·ic, adjective

non·sym·bi·ot·i·cal, adjective

non·sym·bi·ot·i·cal·ly, adverb

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins

World English Dictionary

symbiosis (ˌsɪmbɪˈəʊsɪs, ˌsɪmbaɪˈəʊsɪs)

—n
1.	a close and usually obligatory association of two organisms of different species that live together, often to their mutual benefit
2.	a similar relationship between interdependent persons or groups

[C19: via New Latin from Greek: a living together; see symbiont]

symbi'otic

—*adj*

symbi'otical

—*adj*

symbiosis (ˌsɪmbɪˈəʊsɪs, ˌsɪmbaɪˈəʊsɪs)

—n
1.	a close and usually obligatory association of two organisms of different species that live together, often to their mutual benefit
2.	a similar relationship between interdependent persons or groups

[C19: via New Latin from Greek: a living together; see symbiont]

symbi'otic

—*adj*

symbi'otical

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

symbiosis

1877, as a biological term, "mutually beneficial association of two different organisms," from Mod.L., from Gk. symbiosis "a living together," from symbioun "live together," from symbios "(one) living together (with another), partner," from syn- "together" + bios "life" (see

bio-). Given a wider (non-biological) sense by 1921. An earlier sense of "communal or social life" is found in 1620s.

symbiotic

1882, in biology, from symbiosis. Of human activities, from 1951.

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

symbiosis sym·bi·o·sis (sĭm'bē-ō'sĭs, -bī-)
n. pl. sym·bi·o·ses (-sēz)

A close, prolonged association between two or more different organisms of different species that may, but does not necessarily, benefit each member.
A relationship of mutual benefit or dependence.

symbiotic sym·bi·ot·ic (sĭm'bē-ŏt'ĭk, -bī-)
adj.
Of, resembling, or relating to symbiosis.

American Heritage

Science Dictionary

symbiosis

(sĭm'bē-ō'sĭs) Pronunciation Key
The close association between two or more organisms of different species, often but not necessarily benefiting each member. The association of algae and fungi in lichens and of bacteria living in the intestines or on the skin of animals are forms of symbiosis. Some scientists believe that many multicellular organisms evolved from symbiotic relationships between unicellular ones and that the DNA-containing organelles within certain eukaryotic cells (such as mitochondria and chloroplasts) are the product of symbiotic relationships in which the participants became interdependent. There are four forms of symbiosis: amensalism, commensalism, mutualism, and parasitism.

symbiotic adjective

American Heritage

Cultural Dictionary

symbiosis [(sim-bee-oh-sis, sim-beye-oh-sis)]

The process by which two organisms live together, usually to their mutual benefit. An example of a symbiotic pair are cows and the bacteria that live in their digestive tracts, enabling them to digest cellulose in grass.

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