USEFUL ESL LINKS
The Mobile Dictionary & Thesaurus
English Phrasal Verbs & Idioms
" (biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal "
cross word
definition
dictionary thesaurus
enter word
search tips: wild card II
contact@vizzz.com
English Language Resources
www.vizzz.com
0.01s