A heterogeneous group of immune disorders, characterized by recurrent "cold" staphylococcal infections, unusual eczema-like skin rashes, severe lung infections that result in pneumatoceles, and very high concentrations of the serum antibody IgE.

e-learning for the purpose of learning to communicate in a different language

plural of e-book reader

plural of E♭

plural of E♯

A gift certificate in digital form, to be spent on goods or services via the Internet.

plural of e-gift certificate

plural of tumbling E chart

Synonym of E chart

Alternative form of QED (“initialism of quod erat demonstrandum”)