Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z subtheory A theory forming part of a larger theory. subtherapeutic Administered at levels lower than would be used in actual treatment of a disease subtherapeutically At a subtherapeutic level. subthermal Having an energy less than that of a thermal neutron subthermally In a subthermal manner. subthermoclinal Beneath a thermocline subthermocline subthermoclinal subthermoneutral Less than thermoneutral subthermoneutrality The condition of being subthermoneutral subthesis Supporting statement for a thesis. subthoracic Situated below the thorax. subthread A thread of execution that is subordinate to another thread. subthreshold Of a stimulus: not strong enough to elicit a response. subthrill A small or secret thrill. subthrombolytic That is not effective enough to produce thrombolysis. subthrust A geological thrust fault located beneath another thrust fault. Subtiaba An extinct Oto-Manguean language once spoken on the Pacific slope of Nicaragua. subtick A secondary tick that occurs between regular ticks. subtidal below the level of the tide subtidally At a subtidal level subtier A secondary or subsidiary tier. subtilase A serine protease similar to subtilisin subtileness The quality of being subtile. subtiliate To make thin or rare; to rarefy. subtilin A particular bacteriocin produced by the bacterium Bacillus subtilis. subtilisin A protease produced by soil bacteria of the genus Bacillus. subtilism The quality or state of being subtile. subtilist A person who acts or speaks in a subtle manner. subtility Cunning, craftiness. subtilization The act of making subtle. subtilize To make subtle; to make thin or fine; to make less gross or coarse. subtilizer Someone who subtilizes. subtilomycin A lantibiotic present in Bacillus subtilis subtilopeptidase Synonym of subtilisin. subtilosin Any of a group of bacteriocins produced by Bacillus subtilis subtissue Beneath tissue subtitle A heading below or after a title. subtitled In which the dialogue is translated into another language, and displayed, in text, at the bottom of the screen. subtitler A person who transcribes or translates subtitles (for an audiovisual work). subtitling The addition of subtitles to a work. subtitlist Synonym of subtitler (“one who writes subtitles”). subtitular Relating to, or appearing in, a subtitle. subtle Of an action or movement: very delicate or slight, and thus barely noticeable; not obvious; inconspicuous, unintrusive. subtleness The property of being subtle, of avoiding brute force and instead being clever or skillful. subtlety The quality of being scarcely noticeable or difficult to discern. (of things) subtly With subtleness, in a subtle manner; with cleverness rather than brute force. subtoken A portion of a token (atomic piece of data). subtomentose Somewhat tomentose subtomogram Part of a tomogram or of a series of overlapping tomograms subtomographic Obtained by partial tomography subtonal Relating to subtones. subtone A secondary or lesser tone (in sound or colour). subtongue A dialect or subdialect. subtonic Of or pertaining to imperfectly articulated sounds or utterances that are inaudible or barely audible, as characterized by Dr. James Rush (Guide to Pronunciation, 1833). subtopia Sprawling suburbs, collectively. subtopian Of or pertaining to subtopia. subtopic A subject that forms part of a topic. subtopical Relating to a subtopic. subtopology subspace topology subtornal Located below the tornus of the wing. subtorrid Somewhat torrid. subtorus A smaller torus-shaped structure within a larger torus. subtotal The total for a part of a list of numbers being summed. subtotally Less than totally; partially. subtotem A secondary or subordinate totem, such as one associated with a specific subtribe. subtour A tour that makes up part of a larger tour. subtournament A tournament that forms part of another tournament. subtoxic Less than toxic subtoxicity The condition of being subtoxic subtrack A track making up part of a larger track. subtract To remove or reduce; especially to reduce a quantity or number. subtractability The condition of being subtractable subtractable Capable of being subtracted. subtracter One who, or that which, subtracts subtracting An act of subtraction. subtraction The process of subtracting a number from another. subtractive Of or pertaining to subtraction. subtractively In a subtractive way. subtractiveness The quality of being subtractive. subtractivity The quality of being subtractive. subtrade The specific trade of a subcontractor on a construction project, such as roofing or electrical wiring. subtrader A secondary or subsidiary trader. subtradition A tradition making up part of a larger tradition. subtraditional Relating to a subtradition. subtrahend A number or quantity to be subtracted from another. subtrait A subsidiary trait subtrajectory A subset of a trajectory subtransaction A transaction making up part of a larger transaction. subtranscriptome A subset of a transcriptome subtransect A submarine (underwater) transect subtranslucent Imperfectly or somewhat translucent. subtransparent Almost, but not perfectly, transparent. subtransverse Almost or imperfectly transverse. subtrapeziform Shaped like a trapezium with an apical depression subtrapezoidal Partly or imperfectly trapezoidal. subtreasurer The public officer in charge of a subtreasury. subtreasurership The state or business of a subtreasurer. subtreasury A subordinate treasury, or place of deposit. subtreatment A subsidiary treatment subtree A tree wholly contained in another. subtrench A secondary or subsidiary trench. subtrend A trend that is part of a larger trend. subtrial A subordinate trial subtriangle A triangle forming part of a larger triangle. subtriangular Somewhat triangular subtriangulate Somewhat or nearly triangulate. subtribal Of or relating to a subtribe. subtribe A tribe making up part of a larger tribe. subtribual Of or relating to a subtribe. subtribunal A secondary or subsidiary tribunal. subtribus Synonym of subtribe. subtricuspid Under the tricuspid valve. subtrie A trie data structure making up part of a larger trie. subtrifid Almost trifid. subtrigeminal Under the trigeminal nerve subtrigged Affected by subtrigging. subtrigging The phenomenon whereby free-choice items, which are normally ungrammatical in non-negative episodic sentences, become licensed in the presence of a modifier. subtrigonal Beneath the trigone. subtrihedral Almost trihedral. subtriple Containing a third, or one part to three. subtriplicate Expressed by the cube root; said especially of ratios. subtriquetrous Almost or imperfectly triquetrous. subtrochanteric Beneath the trochanter of the femur subtroglophile Any organism that lives in caves for part of the time subtroglophilic Relating to subtroglophiles subtrope A trope that is a subtype of some other trope. subtropic A subtropical region. subtropical Pertaining to the regions of the Earth further from the equator than the tropical regions. subtropically In a subtropical way. subtropics The region between the tropics and the temperate latitudes of the world. subtrude To place under; to insert below. subtruncate Nearly truncate. subtruncation A partial truncation. subtubular Imperfectly tubular. subtune A tune that makes up part of a larger musical work or collection of tunes. subtunic An undertunic. subtunical Beneath the tunica albuginea (of the penis) subtunnel A tunnel forming part of a larger tunnel or tunnel system. subturbary Lying beneath a turbary. subturbinate Somewhat turbinate subturgid Almost or not entirely turgid. subturriculate Somewhat turriculate. subturriculated Synonym of subturriculate. subtutor An assistant tutor. subtweet A tweet that refers to another user without tagging their name in the message, so that the user being talked about is not automatically notified. subtwt A general term for a community or subcommunity on Twitter. subtympanic Below the tympanum subtypable Able to be subtyped. subtype A group of specific things within a larger, more general group. subtypic Relating to a subtype.