from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having the nature of an isothere.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the nature of an isothere; indicating the distribution of temperature by means of an isothere.
from The Century Dictionary and Cyclopedia
- Of, pertaining to, or of the nature of an isothere; indicating the distribution of summer temperature by means of isotheres: as, an isotheral chart; isotheral lines.
- n. A line joining places on the earth's surface that have the same mean temperature during the summer season.
isothere + -al (Wiktionary)