English word exothecal comes from English -al, English exotheca
| Dictionary entry | Language | Definition |
|---|---|---|
| -al | English (eng) | (organic chemistry) Forms the names of aldehydes. Forming nouns, especially of verbal action.. Of or pertaining to. Adjectival suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also. |
| exotheca | English (eng) | (zoology) The tissue that fills the interspaces between the costae of many madreporarian corals, usually consisting of small transverse or oblique septa. |
| exothecal | English (eng) | Relating to the exotheca. |