Wiktionary (0.00 / 0 votes) Rate this definition: infinity (Noun). Limitlessness, unlimitedness, something which is growing without limits or bounds. infinity (Noun). A number that has an infinite numerical value that cannot be counted.
prodrome - an early symptom that a disease is developing or that an attack is about to occur. prodroma. symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease. Translations.
The zone of proximal development is a concept created by seminal psychologist Lev Vygotsky. the distance between the actual development level as determined by independent problem solving and the level of potential development as determined through problem solving under adult guidance or in collaboration with more capable peers (Vygotsky, 1978).