INTERPENETRATE v.
late Gothic architecture, a decoration by means of moldings which seem to pass through solid uprights, transoms, or other members; often, two sets of architectural members penetrating one another, in appearance, as if both had been plastic when they were put together.
JOY n.
exhilaration of spirits; delight. Her heavenly form beheld, all wished her joy. Dryden. Glides the smooth current of domestic joy. Johnson. Who, for the joy that was set before him, endured the cross, despising the shame. Heb. xii. 2. Tears of true joy for his return. Shak. Joy is a delight of the mind, from the consi…
LABOR DAY n.
f the United States, a day, usually the first Monday of September, set aside as a legal holiday, in honor of, or in the interest of, workingmen as a class. Also, a similar holiday in Canada, Australia, etc.
LACTIC a.
ation. The two acids are alike in having the same constitution (expressed by the name ethylidene lactic acid), but the latter is optically inactive, while sarcolactic acid rotates the plane of polarization to the right. The third acid, ethylene lactic acid, accompanies sarcolactic acid in the juice of flesh, and is opt…