humstrum
An instrument out of tune or rudely constructed.
A hurdy-gurdy.
Music badly played.

humstrums
plural of humstrum

huntspersons
plural of huntsperson

huqa
Alternative form of hookah.

huqas
plural of huqa

huqqa
Alternative spelling of hookah.

huqqah
Alternative spelling of hookah.

huqqahs
plural of huqqah

huqqas
plural of huqqa

husi
Alternative spelling of jusi.

hyalograph
An instrument for tracing designs on glass.

hyalographs
plural of hyalograph

hybridoma
A hybrid cell engineered from a lymphocyte and a tumour cell; used to generate monoclonal antibodies

hybridomas
plural of hybridoma

hybridomata
plural of hybridoma

hydram
A hydraulic ram.

hydrams
plural of hydram

hydrauger
A horizontal boring machine used to install pipelines etc. under roadways

hydraugers
plural of hydrauger

hydridoma
Misspelling of hybridoma.

hydroclone
An industrial device that uses a conical vortex and centrifugal force to separate a solid-liquid mixture.

hydroclones
plural of hydroclone

hydrocolloid
Any material that forms a colloid (especially a gel) when mixed with water.
Any material that forms a colloid (especially a gel) when mixed with water.

hydrocolloids
plural of hydrocolloid

hydrocooler
Any of various devices for cooling produce by means of chilled water.

hydrocoolers
plural of hydrocooler

hydrocyclone
A cyclone separator used to remove particles from a liquid.

hydrocyclones
plural of hydrocyclone

hydrodiffusion
A form of steam distillation typically used to prepare essential oils

hydrodiffusions
plural of hydrodiffusion

hydrodynamometer
An instrument to measure the velocity of a liquid current by the force of its impact.

hydrodynamometers
plural of hydrodynamometer

hydroextractor
A machine that uses a rotating drum to remove excess water from textiles.

hydroextractors
plural of hydroextractor

hydroflap
A movable surface attached to the underside of the fuselage or seaplane hull that is used to manage the seaplane's pitch.

hydroflask
A device for carrying out polymerization under pressure.
A thermos-like vacuum flask with a handle on its lid, used to contain water, coffee, or other beverages (from a genericized trademark).

hydroflasks
plural of hydroflask

hydrogenator
A device that hydrogenates.

hydrogenators
plural of hydrogenator

hydrometer
An instrument that floats in a liquid and measures its specific gravity on a scale.

hydrometers
plural of hydrometer

hydrometre
Alternative form of hydrometer.

hydrometres
plural of hydrometre

hydrometrograph
An instrument for measuring and recording the quantity of water discharged from a pipe, etc.

hydrometrographs
plural of hydrometrograph

hydrophore
An instrument used to obtain specimens of water from any desired depth.
A cup-like projection that terminates the pedicels of some hydroids.
A sculpture of a standing female figure carrying a water vessel on her head.
A tank used to provide water pressure.

hydrophores
plural of hydrophore

hydropletismometer
Misspelling of hydroplethysmometer.

hydroprocessor
A machine or industrial plant that performs hydroprocessing.

hydroprocessors
plural of hydroprocessor

hydroscope
A device for viewing objects below the surface of the water.
A kind of water clock consisting of a cylindrical graduated tube, from which the water escaped through a hole in the bottom.

hydroscopes
plural of hydroscope

hydroseeder
A machine that carries out hydroseeding.

hydroseeders
plural of hydroseeder

hydrospring
A mechanical device that performs a similar function to a spring, using hydraulic fluid to provide superior damping.

hydrosprings
plural of hydrospring

hydrotachymeter
An instrument used to measure the velocity of water (in a river etc).

hydrotachymeters
plural of hydrotachymeter

hydrotimeter
A burette used for hydrotimetry

hydrotimeters
plural of hydrotimeter

hydroturbine
A turbine used to generate hydroelectric power.

hydroturbines
plural of hydroturbine

hydrox
A breathing gas composed of hydrogen and oxygen used for its lighter weight than air.

hydroxysultaine
Any of a class of chemical compounds used to produce foam in shower gels, shampoos, etc. and in industrial processes.

hydroxysultaines
plural of hydroxysultaine

hyetometer
rain gauge

hyetometers
plural of hyetometer

hyfrecator
A low-powered single-electrode device that destroys tissue in electrosurgery.

hyfrecators
plural of hyfrecator

hygeen
hajeen

hygeens
plural of hygeen

hygrometer
An instrument that measures the humidity of the air or other gases, especially the relative humidity.

hygrometers
plural of hygrometer

hygrometre
Alternative form of hygrometer.

hygrometres
plural of hygrometre

hygroscope
An instrument that indicates changes in atmospheric humidity

hygroscopes
plural of hygroscope

hygrostat
A device that maintains a constant level of humidity

hygrostats
plural of hygrostat

hygrothermograph
An instrument that measures, and records, both humidity and temperature.

hygrothermographs
plural of hygrothermograph

hygrothermometer
A device that functions as both a hygrometer and a thermometer

hygrothermometers
plural of hygrothermometer

hypercare
A period following the implementation of a major change to an organisation's operations during which an especially intensive effort is made to support users through the transition.

hypercomputer
Any theoretical device capable of carrying out hypercomputation.

hypercomputers
plural of hypercomputer

hyperdispersant
A highly effective dispersant.

hyperdispersants
plural of hyperdispersant

hyperspectrometer
A device used in hyperspectral imaging

hyperspectrometers
plural of hyperspectrometer

hyperstimuli
plural of hyperstimulus

hyperstimulus
Any very large stimulus

hypertherm
A heated enclosure used to provoke fever in a patient.

hypertherms
plural of hypertherm

hypnoscope
An instrument intended to determine a person's susceptibility to hypnotic influences.

hypnoscopes
plural of hypnoscope

hypoeliminator
A solution used to remove sodium thiosulfate ("hypo") from fixed plates or prints.

hypoeliminators
plural of hypoeliminator

hyponome
A tubular organ of a cephalopod, used to expel water.

hyponomes
plural of hyponome

hypopygium
A modified abdominal segment, in some insects, which supports the copulatory apparatus

hyporegulator
An inadequate regulator

hyporegulators
plural of hyporegulator

hypostratotype
A stratotype designated after the holostratotype as an additional example of a stratigraphic unit, usually in a different geographic context.

hypostratotypes
plural of hypostratotype

hypothec
In Scotland, a landlord's right over the stocking (cattle, implements, etc.), and crops of his tenant, as security for payment of rent.
In Québec, a legal right over property used as security for an obligation, such as a mortgage.
Everything; the whole lot.

hypothecs
plural of hypothec

hypovalve
The hypotheca of a diatom

hypovalves
plural of hypovalve

hypsometer
An instrument that measures altitude indirectly by measuring the boiling point of water (which varies with atmospheric pressure).

hypsometers
plural of hypsometer

hysterometer
A device used to measure the dimensions of the uterus

hysterometers
plural of hysterometer

hysteron
A two-valued operator that is used to model hysteresis.

hysterons
plural of hysteron

hysteroscope
An instrument designed to allow visual examination of the uterus.

hysteroscopes
plural of hysteroscope

icatibant
A peptidomimetic drug used for the symptomatic treatment of acute attacks of hereditary angioedema.

icebath
Alternative spelling of ice bath.

icebaths
plural of icebath

iceboard
The equipment used in the sport of iceboarding, a board (deck) with four blades attached to skateboard trucks and used the same manner as a skateboard. Larger versions with an attached sail to the middle are used for propulsion along the large area ice's surface, also call ice windsurfing.

iceboards
plural of iceboard

iceboxes
plural of icebox