{s} obstructing; blocking or hindering passage in the body (Medicine); (Linguistics) made by blocking the passage of air through the mouth, occlusive (e.g. of the sound of the letters B and P); disruptive; inhibiting
that which obstructs natural passages in the body; as, a medicine which acts as an obstruent
{i} obstruction; substance which obstructs passage in the body (Medicine); (Linguistics) sound made by blocking the passage of air through the mouth, occlusive (e.g. sound of the letters B and P)