
1) Asperity 2) Austerity 3) Boot camp experience 4) Demanding standard 5) Difficultness 6) Difficulty 7) Discipline 8) Excessive sternness 9) Extreme effort 10) Extreme hardship 11) Extreme severity 12) French word used in English 13) Grimness 14) Hardship 15) Harshness 16) Inexorability 17) Inflexibility
Found on
https://www.crosswordclues.com/clue/rigor

1) Asperity 2) Rigorousness 3) Rigour 4) Severity 5) Stringency 6) Stubbornness 7) Validity
Found on
https://www.crosswordclues.com/clue/rigor

- something hard to endure
- the quality of being logically valid
- excessive sternness
Found on

Latin, meaning: stiffness, hardness, sterness.
Found on
http://archives.nd.edu/rrr.htm
[medicine] Water infrastructure and regulation in the State of Virginia ...
Found on
http://en.wikipedia.org/wiki/Rigor_(medicine)

• (n.) See 1st Rigor, 2. • (n.) Exactness without allowance, deviation, or indulgence; strictness; as, the rigor of criticism; to execute a law with rigor; to enforce moral duties with rigor; -- opposed to lenity. • (n.) The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness. • (n.) Severity of life...
Found on
http://thinkexist.com/dictionary/meaning/rigor/

Stiffening of muscle as a result of high calcium levels and ATP depletion, so that actin myosin links are made, but not broken. ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(rig´or) (ri´gor) strict discipline or scrupulous adherence to a given set of standards. rigidity. chill. rigor mortis the stiffening of a dead body accompanying depletion of adenosine triphosphate in the muscle fibers.
Found on
http://www.encyclo.co.uk/local/21001

Stiffening of muscle as a result of high calcium levels and ATP depletion, so that actin-myosin links are made, but not broken.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Rig'or noun [ Middle English
rigour , Old French
rigour , French
rigueur , from Latin
rigor , from
rigere to be stiff. See
Rigid .] [ Written also
rigour .]
1. The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardnes...
Found on
http://www.encyclo.co.uk/webster/R/82

Ri'gor noun [ Latin See Rigor ., below.] 1. Rigidity; stiffness. 2. (ed.) A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever. - - Rigor caloris [ Latin , rigor of heat] (Physiol.)
Found on
http://www.encyclo.co.uk/webster/R/82

Type: Term Pronunciation: rig′ŏr Synonyms: rigidity1, chill2
Found on
http://www.medilexicon.com/medicaldictionary.php?t=78654

Rigor: A word with two different but related meanings in medicine: 1. A chill, usually with shivering, as at the onset of high fever and chills. 2. Rigidity, as in rigor mortis, the rigidity of a body after death. The alternate spelling rigour is chiefly British. From the French, from the Latin rigor, meaning stiffness, from rigere, to be stiff.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=40571

Degree to which research methods are scrupulously and meticulously carried out in order to recognize important influences occurring in a experiment.
Found on
https://writing.colostate.edu/guides/guide.cfm?guideid=90

Degree to which research methods are scrupulously and meticulously carried out in order to recognize important influences occurring in a experiment.
Found on
https://writing.colostate.edu/teaching_guides.cfm

Medical term for shivering or rigidity. Rigor mortis is the stiffness that ensues in a corpse soon after death, owing to chemical changes in muscle tissue
Found on
https://www.encyclo.co.uk/local/21221

stiffness, hardness, sternness.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html

something hard to endure
Found on
https://www.vocabulary.com/lists/1189825
No exact match found.