Amuse-bouche-French for single bite sized hors d'oeuvre

deplorable - adjective. causing or being a subject for grief or regret; lamentable: the deplorable death of a friend.  

For - used as a function word to indicate purpose..

(just came upon this forum/discussion/thread)

Immunocompetent - Having a normal immune system response.

Kalashnikov - Soviet weapons designer, his assault rifle (AR) namesake

Micrometer - a very precise measuring tool measuring from 1/000" (0.001") up to an inch

I have a digital micrometer which is used to measure a "peel shim" (each segment, that can be peeled-off is 0.002" and is used to set-up the correct axial-play on a uniball for main rotor swashplate assembly.

Nasopharynx => the part of the pharynx lying directly behind the nasal passages and above the                                               soft palate 

okapi - short-necked giraffe

 emaureeng:

(I had accidentally posted a B-word after Z, so it looks like LilyS provided the missing A.)

conniption - a fit of rage or hysterics

next starts with D.

Oh...excuse me...I didn't even realize it was alphabetical. Note to self and other new comers...read the directions before participating.