18-letter words containing n, s, f, i, p
- process identifier — (operating system) (PID) An integer used by the Unix kernel to uniquely identify a process. PIDs are returned by the fork system call and can be passed to wait() or kill() to perform actions on the given process.
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- saint peter's fish — another name for tilapia, taken from a Bible story about Saint Peter catching a fish with a coin in its mouth
- sampling frequency — sample rate
- seafloor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- self-contemplation — the act or process of thinking about oneself or one's values, beliefs, behavior, etc.
- self-deprecatingly — in a self-deprecating manner
- self-disparagement — the act of disparaging.
- self-preoccupation — the state of being preoccupied.
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- spirits of ammonia — a 10% solution of ammonia in alcohol
- stepping-off place — jumping-off place (def 2).
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- torsion-free group — a group in which every element other than the identity has infinite order.
- visiting professor — a professor from another institution invited to teach at a university or college for a limited period, usually for a semester or one academic year.
- wild passionflower — the maypop, Passiflora incarnata.