| BIOPESTICIDES | • biopesticides n. Plural of biopesticide. • BIOPESTICIDE n. a biological pesticide.
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| BIOPHYSICISTS | • biophysicists n. Plural of biophysicist. • BIOPHYSICIST n. a practitioner of biophysics.
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| INCOMPOSSIBLE | • incompossible adj. (Rare) Not capable of joint existence; incompatible; inconsistent. • INCOMPOSSIBLE adj. incapable of coexisting.
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| INSUSCEPTIBLE | • insusceptible adj. Not susceptible. • INSUSCEPTIBLE adj. not susceptible, also INSUSCEPTIVE.
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| INSUSCEPTIBLY | • insusceptibly adv. In an insusceptible manner. • INSUSCEPTIBLE adv. not susceptible, also INSUSCEPTIVE.
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| PROBOSCIDIANS | • proboscidians n. Plural of proboscidian. • PROBOSCIDIAN n. any of an order of large mammals comprising the elephants and extinct related forms, also PROBOSCIDEAN.
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| PSYCHOBILLIES | • PSYCHOBILLY n. a genre of popular music, blending rockabilly with punk rock. | 
| SUBDISCIPLINE | • subdiscipline n. A field of study or work that is related to one aspect, but not the whole, of a broader field of study or work. • sub-discipline n. Alternative spelling of subdiscipline.
 • SUBDISCIPLINE n. a subdivision of a discipline.
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| SUBPRINCIPALS | • subprincipals n. Plural of subprincipal. • SUBPRINCIPAL n. an assistant principal, as of a school.
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| SUBSCRIPTIONS | • subscriptions n. Plural of subscription. • SUBSCRIPTION n. an autograph signature.
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| SUBSPECIALISE | • subspecialise v. Non-Oxford British spelling standard spelling of subspecialize. • SUBSPECIALISE v. to practise a subspecialty, also SUBSPECIALIZE.
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| SUBSPECIALIST | • subspecialist n. A specialist who is primarily concerned with a subspecialty within a larger specialty. • SUBSPECIALIST n. one who practises a subspecialty.
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| SUBSPECIALITY | • subspeciality n. (UK) Alternative spelling of subspecialty. • SUBSPECIALITY n. a subordinate speciality, also SUBSPECIALTY.
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| SUBSPECIALIZE | • subspecialize v. To specialize within a particular area of a specialty. • SUBSPECIALIZE v. to practise a subspecialty, also SUBSPECIALISE.
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| SUPERSCRIBING | • superscribing v. Present participle of superscribe. • SUPERSCRIBE v. to write at the top or at the head.
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