24-letter words containing c, h, a, p, e, r
- private-key cryptography — (cryptography) As opposed to public-key cryptography, a cryptographic method in which the same key is used to encrypt and decrypt the message. Private-key algorithms include the obsolescent Data Encryption Standard (DES), triple-DES (3DES), the Advanced Encryption Standard (AES), also known as Rijndael, Blowfish, Twofish RC2, RC4, RC5 and RC6. A problem with private-key cryptography is that the sender and the recipient of the message must agree on a common key via some alternative secure channel.
- psychopathic personality — an antisocial personality characterized by the failure to develop any sense of moral responsibility and the capability of performing violent or antisocial acts
- republic of south africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town.
- research and development — the part of a commercial company's activity concerned with applying the results of scientific research to develop new products and improve existing ones
- scalable vector graphics — (graphics, web) A W3C standard for vector graphics, based on XML.
- skeleton in the cupboard — a scandalous fact or event in the past that is kept secret
- stereographic projection — a one-to-one correspondence between the points on a sphere and the extended complex plane where the north pole on the sphere corresponds to the point at infinity of the plane.
- sulphur-crested cockatoo — a large Australian white parrot, Kakatoe galerita, with a yellow erectile crest
- supportive psychotherapy — a type of psychotherapy that seeks to reduce psychological conflict and strengthen a patient's defenses through the use of various techniques, as reassurance, suggestion, counseling, and reeducation.
- telephony user interface — (communications) (TUI) Either a software interface to telephony (e.g. a phone-capable PC) or a DTMF-based interface to software (e.g. voicemail).
- three-spined stickleback — a small teleost fish, Gasterosteus aculeatus, of the family Gasterosteidae, of rivers and coastal regions, having three spines along the back and occurring in cold and temperate northern regions
- to light the touch paper — if someone lights the touch paper or lights the blue touch paper, they do something which causes anger or excitement
- transpersonal psychology — a branch of psychology or psychotherapy that recognizes altered states of consciousness and transcendent experiences as a means to understand the human mind and treat psychological disordrs.
- trip the light fantastic — a journey or voyage: to win a trip to Paris.
- variable pitch propeller — a propeller in which the angle of the blades with regard to air flow can be adjusted while it is in operation