
1) An isomorphous substance
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https://www.crosswordclues.com/clue/isomorph

An isomorph is an organism that does not change in shape during growth. The implication is that its volume is proportional to its cubed length, and its surface area to its squared length. This holds for any shape it might have; the actual shape determines the proportionality constants. The reason why the concept is important in the context of the ...
Found on
http://en.wikipedia.org/wiki/Isomorph

line connecting points of same linguistic morphological forms
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http://phrontistery.info/i.html

• (n.) A substance which is similar to another in crystalline form and composition. • (n.) An animal, plant, or group having superficial similarity to another, although phylogenetically different.
Found on
http://thinkexist.com/dictionary/meaning/isomorph/
I'so·morph noun [ See
Isomorphous .] A substance which is similar to another in crystalline form and composition.
Found on
http://www.encyclo.co.uk/webster/I/102

isomorph, isomorphic, isomorphism 1. Superficial similarity between individuals of different species or races. 2. Equal in form; crystallizing in the same form. 3. A line in a linguistic atlas connecting places exhibiting identical or nearly identical morphological forms; a morphological isogloss. 4. A substance or organism that exhibits similarity...
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http://www.wordinfo.info/words/index/info/view_unit/2795/6

an organism that is isomorphic with another or others. · an isomorphous substance.
Found on
https://www.infoplease.com/dictionary/isomorph
No exact match found.