| ABSTRACTIONS | • abstractions n. Plural of abstraction. • ABSTRACTION n. the act of abstracting. |
| ABSTRICTIONS | • abstrictions n. Plural of abstriction. • ABSTRICTION n. the act of abstricting. |
| BACTERIOSTAT | • bacteriostat n. A biological or chemical agent that causes bacteriostasis. • BACTERIOSTAT n. an agent that causes bacteriostasis. |
| CARBONATITES | • carbonatites n. Plural of carbonatite. • CARBONATITE n. any igneous rock composed chiefly of carbonates rather than silicates. |
| CONTRIBUTORS | • contributors n. Plural of contributor. • CONTRIBUTOR n. one who contributes. |
| CRISTOBALITE | • cristobalite n. (Mineralogy) A mineral of volcanic rocks that solidified at a high temperature. Cristobalite is chemically… • CRISTOBALITE n. a variety of silica. |
| CRYPTOBIONTS | • cryptobionts n. Plural of cryptobiont. • CRYPTOBIONT n. any organism that exhibits cryptobiosis. |
| OBSCURANTIST | • obscurantist n. A practitioner of obscurantism; an obscurant. • obscurantist adj. Of or relating to obscurantism. • OBSCURANTIST n. one who employs deliberate obscurity. |
| OBSTETRICIAN | • obstetrician n. (Medicine) A physician who specializes in childbirth. • OBSTETRICIAN n. one who specialises in the care of women during pregnancy. |
| OBSTRICTIONS | • obstrictions n. Plural of obstriction. • OBSTRICTION n. (obsolete) obligation. |
| OBSTRUCTIONS | • obstructions n. Plural of obstruction. • OBSTRUCTION n. the state of being obstructed. |
| OBSTRUCTIVES | • obstructives n. Plural of obstructive. • OBSTRUCTIVE n. a hindrance. |
| SUBSTRACTION | • substraction n. (Obsolete or non-native speakers’ English) Subtraction. • SUBSTRACTION n. subtraction, also SUBTRACTION. |
| SUBSTRUCTION | • substruction n. (Architecture) underbuilding; the foundation, or any preliminary structure intended to raise the lower… • SUBSTRUCTION n. an underlying structure. |
| SUBTRACTIONS | • subtractions n. Plural of subtraction. • SUBTRACTION n. the act of subtracting, also SUBSTRACTION. |