| DISQUIETOUS | • disquietous adj. (Obsolete) Causing uneasiness. • DISQUIETOUS adj. causing disquiet. |
| EUPHAUSIIDS | • euphausiids n. Plural of euphausiid. • EUPHAUSIID n. one of a genus of shrimplike crustaceans, also EUPHAUSID. |
| FUTURISTICS | • futuristics n. Futurism (the study and prediction of possible futures). • FUTURISTICS n. futurology. |
| ILLUSTRIOUS | • illustrious adj. Admired, distinguished, respected, or well-known, especially due to past achievements or noble qualities. • ILLUSTRIOUS adj. notably or brilliantly outstanding because of dignity or achievements or actions. |
| INDUSTRIOUS | • industrious adj. Hard-working and persistent. • INDUSTRIOUS adj. habitually active or occupied. |
| SAUSSURITIC | • saussuritic adj. Containing or relating to the mineral saussurite. • SAUSSURITIC adj. of or like saussurite. |
| SIPUNCULIDS | • sipunculids n. Plural of sipunculid. • SIPUNCULID n. a kind of marine worm with a retractile proboscis, also SIPUNCULOID. |
| SUBCIRCUITS | • subcircuits n. Plural of subcircuit. • SUBCIRCUIT n. a part of a circuit. |
| SUBMINIMUMS | • subminimums n. Plural of subminimum. |
| SULFURISING | • sulfurising v. Present participle of sulfurise. • SULFURISE v. to combine or impregnate with sulphur or any of its compounds, also SULFURIZE, SULPHURISE, SULPHURIZE. |
| TRISTIMULUS | • tristimulus n. A set of three stimuli, especially the red, green and blue components of colour vision. • TRISTIMULUS adj. as in tristimulus values, amounts of each of three colour primaries that must be combined to form an objective colour match with a sample. |
| UMBILICUSES | • umbilicuses n. Plural of umbilicus. • UMBILICUS n. (Latin) the navel. |
| UNDISGUISED | • undisguised adj. Not disguised, plainly visible. • UNDISGUISED adj. not disguised or concealed. |
| UNSUSPICION | • unsuspicion n. Lack of suspicion. • UNSUSPICION n. a lack of suspicion. |