| Term | Definition |
| manner of articulation | the method that the consonant is articulated, such as nasal (through the nose), stop (complete obstruction of air), or approximant (vowel like) |
| place of articulation | where in the vocal tract the obstruction of the consonant occurs, and which speech organs are involved |
| bilabial | a place of articulation which uses both lips |
| alveolar | a place of articulation that uses tongue against the gum ridge |
| velar | a place of articulation that uses the tongue against soft palate |
| phonation of a consonant | how the vocal cords vibrate during the articulation |
| gemination | in phonetics, what happens when a spoken consonant is pronounced for an audibly longer period of time than a short consonant. |
| airstream mechanism | how the air moving through the vocal tract is powered |
| pulmonic egressive | consonants which use the lungs and diaphragm |
| ejective | voiceless consonants that are pronounced with simultaneous closure of the glottis |
| clicks | obstruents articulated with two closures (points of contact) in the mouth, one forward and one at the back |
| fricatives | consonants produced by forcing air through a narrow channel made by placing two articulators close together |