16-letter words containing p, h, r
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- hand screw clamp — a screw that can be tightened by the fingers, without the aid of a tool.
- haptic interface — (interface, hardware) A touch interface to a computer that provides feedback, such as a data glove.
- hard put (to it) — having considerable difficulty or trouble
- hard-packed snow — snow which becomes very firmly packed as it becomes refrozen due to cold weather conditions rather than melting
- harvard graphics — (graphics, tool) A presentation graphics product by Software Publishing Corporation (SPC) for creating presentations, speeches, slides, etc..
- have the drop on — a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule.
- headed notepaper — notepaper headed with the name and address of a person or organization
- headmistressship — (rare) Alternative form of headmistress-ship.
- health inspector — a public employee who inspects places such as restaurants, shops, factories etc to make sure they are hygienic and do not pose any dangers to health
- healthcare proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
- hearing-impaired — having reduced or deficient hearing ability; hard-of-hearing: special programs for hearing-impaired persons.
- heart transplant — surgery to replace a patient's heart
- heat prostration — heat exhaustion.
- heir presumptive — a person who is expected to be the heir but whose expectations may be canceled by the birth of a nearer heir.
- heliotherapeutic — Pertaining to heliotherapy.
- hemicorporectomy — (surgery) The surgical procedure which cuts through the spine and removes the lower half of the body from the waist down.
- hemopneumothorax — (medicine) pneumothorax and hemothorax occurring together.
- hemotherapeutics — hemotherapy.
- hepatopancreases — Plural form of hepatopancreas.
- hermaphroditical — Alternative form of hermaphroditic.
- herod agrippa ii — died ?93 ad, king of territories in N Palestine (50–?93 ad). He presided (60) at the trial of Saint Paul and sided with the Roman authorities in the Jewish rebellion of 66
- herpes genitalis — genital herpes.
- heteropalindrome — Something that spells something else when reversed, a semordnilap.
- hieroglyphically — In hieroglyphics.
- hierophantically — In a hierophantic manner; in the manner of a hierophant.
- high-compression — of a modern type of internal-combustion engine designed so that the fuel mixture is compressed into a smaller cylinder space, resulting in more pressure on the pistons and more power
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- high-performance — A high-performance car or other product goes very fast or does a lot.
- high/great hopes — If you have high hopes or great hopes that something will happen, you are confident that it will happen.
- himachal pradesh — a state in N India. 21,495 sq. mi. (55,673 sq. km). Capital: Shimla.
- hippocratic oath — an oath embodying the duties and obligations of physicians, usually taken by those about to enter upon the practice of medicine.
- hispano-american — Spanish.
- historiographies — Plural form of historiography.
- hit one's straps — to achieve one's full potential or become fully effective
- holographic will — a will that is entirely in the handwriting of the testator: in some states recognized as valid without the attestation of witnesses.
- honeymoon period — a period of popularity enjoyed by a new government, or a new occupant of a post
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- horizontal plane — flat surface parallel to the horizon
- hospital corners — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
- hospital service — the whole organization of government funded hospitals, their staff, and the services they provide
- house of worship — house of God.
- household troops — the infantry and cavalry regiments that carry out escort and guard duties for a head of state
- hunt the slipper — a children's game in which the players look for a hidden slipper or other object, such as a thimble (hunt the thimble)
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hydnocarpic acid — an acid, C 16 H 28 O 2 , obtained from chaulmoogra oil, and used in the treatment of leprosy.
- hydrophyllaceous — belonging to the Hydrophyllaceae, the waterleaf family of plants.
- hygrothermograph — an instrument for recording temperature and relative humidity.
- hyper-conformity — action in accord with prevailing social standards, attitudes, practices, etc.
- hyper-excitement — an excited state or condition.