datemark
A marking that indicates a date.

datetime
A variable or data type that can hold both date and time components.

dation
The act of giving, granting or conferring (e.g. an office) but not liberal as a donation or gift.
A dose.

dations
plural of dation

dativity
The quality of being dative.

dativization
Conversion into a dative form.

dattaka
An Indian form of adoption of a son.

dau
Abbreviation of daughter or daughter of.

dauerschlaf
A prolonged sleep therapy.

daugh
An obsolete Scots unit equal to 4 ploughgates, notionally comprising 400 Scottish acres.

daughs
plural of daugh

daughterhood
The condition of being a daughter.

daughtering
The action of behaving dutifully as a daughter; the action of a female child in caring for or otherwise relating to her parents.

daughterlessness
Lack of daughters.

daughterliness
The quality of being daughterly.

daughterness
The state or quality of being a daughter.

dauntingness
The quality of being daunting.

dauntlessness
The characteristic of being dauntless; fearlessness.

davach
Alternative form of daugh (“Scots land unit”).

davachs
plural of davach

davoch
Alternative form of daugh (“Scots land unit”).

davochs
plural of davoch

davul
A large Turkish double-headed drum, played with mallets.

davuls
plural of davul

dawah
Islamic proselytism, particularly through preaching

dawgettes
plural of dawgette

dawnlight
The light of dawn.

dawnside
The side of a planet or other body that is experiencing sunrise, a transition from night to day.

dawnsides
plural of dawnside

dawnstreak
A streak of colour in the clouds at sunrise.

dawnstreaks
plural of dawnstreak

dawntime
The time of dawn.
The time when something is just beginning.

dayawism
Synonym of anitism.

daybreak
The beginning of the day; the first moment of daylight.

daybreaks
plural of daybreak

daycare
Daytime supervision, usually of children or pets.
A daycare centre.

dayereh
A large Central Asian frame drum with jingles attached, a type of tambourine.

dayerehs
plural of dayereh

dayglow
The airglow of the sky during the day.

dayhike
A hike (walking trip) that takes about a day to complete.

daylength
period of daylight; photoperiod

daylengths
plural of daylength

daylessness
Absence of days or daytime.

daylife
Recreational activities that can be done during the day.

daypack
A small backpack, suitable for a one-day hike or for carrying books around campus.

daypacks
plural of daypack

daypeep
Alternative spelling of day-peep.

daysack
A daypack.

dayside
The side of a planet or other body that faces towards the sun or star around which it orbits

daysides
plural of dayside

dayspring
The beginning of the day, or first appearance of light; the dawn; daybreak.

daysprings
plural of dayspring

daystar
The planet Venus as the morning star.
The Sun.

daystars
plural of daystar

daywalk
A walk or hike that takes the best part of the day to do.

daze
The state of being dazed
A glittering stone.

dazed
In a state of shock or confusion.
Stunned or entranced.

dazedness
The state or quality of being dazed.

dazes
plural of daze

daziness
The state or quality of being dazy.

dazzlement
A burst or flash of light; a cause of dazzling.
The condition of being dazzled.

dazzlements
plural of dazzlement

dazzlingness
The state or quality of being dazzling.

dbl
Abbreviation of double.

deabstraction
The removal of an abstraction; the process of making something abstract no longer so.

deacceleration
The act of deaccelerating; retardation.

deaccelerations
plural of deacceleration

deacclimatization
acclimatization to an original climate or system (after being acclimatized to another)

deaccreditation
The withdrawal of accreditation from something.

deaccumulation
The reversal of accumulation, as by selling the assets of a business.

deacetoxyscirpenol
A particular mycotoxin.

deacetylation
Any reaction that removes one or more acetyl groups from a molecule

deacetylations
plural of deacetylation

deacidification
The act or process of removing or neutralizing acid

deacidifications
plural of deacidification

deaconate
Synonym of diaconate.

deaconates
plural of deaconate

deaconess
A non-clerical role for women in some churches.
A female deacon.
A female servant in the early Christian church.
The nun in charge of the altar in a convent.
One of an order of women in some Protestant churches who nurse the sick and tend the poor.

deaconesses
plural of deaconess

deaconhood
The state or office of being a deacon; deaconship.

deactivation
The act of deactivating something, such as a bomb or alarm.

deactivations
plural of deactivation

deactualization
Making less real or existent.

deactualizations
plural of deactualization

deactylation
Misspelling of deacetylation.

deadaptation
adaptation to a previous form

deadaptations
plural of deadaptation

deadband
The range through which an input can be varied without initiating an observable response. Deadband is usually expressed in percent of span.
In the domain of a transfer function, the band of input values where the output is zero. "(the output is 'dead' - no action occurs)"
Backlash in a mechanical system.

deadbands
plural of deadband

deaddiction
rehabilitation for the purpose of curing addiction

deadener
Something that deadens.

deadeners
plural of deadener

deadfold
Ability of a packaging material to retain a fold or to stay folded.

deadhandedness
Alternative form of dead-handedness.

deadheadism
The practice of travelling for free, as a deadhead.

deadheartedness
The quality of being deadhearted.

deadishness
The quality of being deadish.

deadlatch
A kind of latch whose bolt may be locked by a detent so that it can not be opened from the inside by the handle, or from the outside by the latch key.

deadlatches
plural of deadlatch

deadlihood
The state of being dead; death.

deadliness
Synonym of lethality.
Synonym of lethality.
Tedium, or the quality of being boring.

deadlinesses
plural of deadliness

deadmelt
To melt steel at high temperatures in order to deoxidize it.

deadmelted
simple past and past participle of deadmelt

deadmelts
plural of deadmelt

deadness
The state of not being alive; lifelessness.
A lack of elasticity.
A lack of sparkle in a fizzy drink.
A lack of animation in a person.

deadnesse
Obsolete form of deadness.

deadnesses
plural of deadness

deadpanness
The state or quality of being deadpan

deadsorption
Alternative form of desorption.

deadtime
The time between a change in a signal and the response to that change.
The time, after an event, during which a system cannot respond to a second event.
The serving of a prison sentence.

deadtimes
plural of deadtime

deaeration
The process of removing dissolved gasses from a liquid.

deaerations
plural of deaeration

deafaz
A harsh slap to the ear which causes the target's eardrums to ring.

deafazz
Alternative form of deafaz.

deafblindness
The medical condition of being both deaf and blind.

deafeningness
The quality of being deafening.

deafferenation
Misspelling of deafferentation.

deafferentation
The state of having an incomplete afferent connection with the central nervous system.

deafferentations
plural of deafferentation

deafforestation
The act of deafforesting; the withdrawal of forest status from a piece of land.

deafforestations
plural of deafforestation

deaffrication
The reverse process of affrication; the process of turning an affricate into a plosive or a fricative.

deaffrications
plural of deaffrication

deaffricatization
Alternative form of deaffrication.

deafhood
The journey of a hearing-impaired individual's discovering of their identity, culture, and purpose.

deafhoods
plural of deafhood

deafmutism
The condition of being a deaf-mute.

deafmutisms
plural of deafmutism

deafness
The condition of being deaf; the lack or loss of the ability to hear.
Lack of knowledge or refusal to admit a particular problem, issue, etc.

deafnesses
plural of deafness